Radiology Misdiagnosis Claims in Ireland: When a Misread Scan Changes Everything

Summary: A radiology misdiagnosis claim arises when a radiologist misreads, overlooks, or fails to communicate a finding on an X-ray, CT, MRI, or ultrasound scan, causing harm. The State Claims Agency's five-year review of Irish radiology claims found that diagnostic errors drove 71% of cases, with 93% being missed diagnoses. Fractures accounted for 55% and cancers for 21%. Ireland's radiologist shortage (roughly 5 per 100,000, about half the EU average) and 128% workload levels contribute directly to these errors. To succeed, claimants must prove the error fell below the standard set out in Dunne v National Maternity Hospital [1989] IR 91 - that no radiologist of equal specialist skill, acting with ordinary care, would have made the same mistake.

This information is for educational purposes only and does not constitute legal advice. Every case is different and outcomes vary. Consult a qualified solicitor for advice specific to your situation.

Contents

71% diagnostic error: The State Claims Agency's review of 58 radiology claims (2016-2020) found diagnostic errors drove 71% of cases. SCA radiology review [1]

93% missed diagnosis: Of those diagnostic errors, 93% involved missed diagnoses rather than misinterpretations. Fractures (55%) and cancers (21%) led the list. SCA [1]

Dunne test applies: The error must be one "no radiologist of equal specialist status would be guilty of if acting with ordinary care." Hayes Solicitors [2]

Date of knowledge: Your two-year clock starts from when you learned (or should have learned) of the misread, not when the scan was taken. Citizens Information [3]

What is radiology misdiagnosis?

Radiology misdiagnosis occurs when a scan is misread, an abnormality is overlooked, or a finding isn't properly communicated to the treating doctor. It covers all forms of diagnostic imaging: X-ray, CT, MRI, ultrasound, mammography, and specialist scans such as PET or DEXA. The harm doesn't come from the scan itself but from the clinical decisions made on foot of an incorrect or incomplete report. A patient told "your X-ray is clear" may walk on a fractured hip. A report that describes a shadow as benign may delay cancer treatment by months. SCA radiology review [1]

Not every missed finding amounts to negligence. Radiology involves interpreting grey-scale images where normal anatomy can mimic disease and subtle early-stage conditions can be genuinely invisible to a careful reader. The legal question in Ireland is not "was the scan perfect?" but rather "did the error fall below the standard that a competent radiologist should have met?" That distinction, set out in the Dunne principles, is central to every claim. Hayes Solicitors [2]

How common are radiology errors in Ireland?

The State Claims Agency completed a five-year review of radiology-related claims finalised between 2016 and 2020, covering 58 cases from publicly funded hospitals. Diagnostic errors accounted for 71% of all radiology claims. Among those, 93% were missed diagnoses rather than misinterpretations of correctly seen abnormalities. Fractures made up 55% of missed diagnoses, with cancers at 21%, and several cancer claims specifically involved abnormalities missed on chest X-rays. SCA radiology review [1]

A further 7% of the claims arose from unanticipated complications during interventional radiology procedures, where in some cases the risks hadn't been properly discussed with patients. Slips, trips, and falls within radiology departments accounted for another 7%, and two claims involved patients injured by equipment. SCA [1]

Beyond the five-year claims review, the SCA's analysis of diagnosis incident reporting shows that diagnosis-related claims ranked second by number of service user claims received in 2023, with an estimated liability of almost €110 million. There was a 19.3% increase in diagnosis incidents reported in 2023 compared to 2022. These figures cover all diagnostic errors, not only radiology, but imaging is the dominant contributor. SCA diagnosis reporting [4]

Why imaging errors happen more often in Ireland

Ireland has roughly 5 radiologists per 100,000 people, compared to 7.8 in Germany, 11.3 in France, and an EU average of approximately 13. That shortfall means each radiologist reads more scans per session than their European counterparts. A national survey by Brady et al. found Irish radiologists were working at 128% of the appropriate workload benchmark, and the Faculty of Radiologists (RCSI) has consistently flagged an 8% vacancy rate across public hospitals. Brady et al., Ulster Med J 2012 [6]

Understaffing drives three specific risks. First, fatigued radiologists reading at volume are more likely to make perceptual errors - missing findings that are visible on the images. Second, hospitals increasingly rely on locum and agency radiologists who may not be familiar with local protocols or patient histories. In one widely reported episode, over 100 patients across seven hospitals were recalled after errors by three locum radiologists. Third, some Irish hospitals outsource scan reporting through teleradiology services, where images are read by radiologists abroad (often in the UK or Australia) who have no access to the patient's clinical context. SCA [1]. Brady et al. [6]

Ireland's National Integrated Medical Imaging System (NIMIS), rolled out by eHealth Ireland, connects all public hospitals so that prior imaging can be accessed electronically. In theory, this means a radiologist in Galway can see a patient's previous scans from Dublin. In practice, uptake and integration vary, and communication gaps between the digital imaging system and the referring clinician remain a source of claims. eHealth Ireland NIMIS [7]

The Faculty of Radiologists (RCSI) sets benchmark turnaround times for scan reports as part of its National Radiology Quality Improvement Programme. When a report is delayed beyond the guideline target - and that delay contributed to a late diagnosis - it becomes a measurable systemic breach, not just an individual interpretation error. Your solicitor can request the department's turnaround audit data through disclosure and compare it to the Faculty's benchmarks for the period your scan was reported. Faculty of Radiologists QI Guidelines v3.0 [16]

Six types of radiology error (and why the type matters legally)

Understanding how a radiology error occurred determines who is liable and how strong your case is. The State Claims Agency and peer-reviewed research identify six distinct error types. Each creates a different legal argument.

Six types of radiology error: definitions, frequency, and legal relevance in Irish claims

Error type	What happens	Approximate share	Legal significance
Perceptual error	The abnormality is visible on the images but the radiologist fails to register it. The finding is there - it simply was not seen.	60-80% of diagnostic errors	Often the strongest claim. If an independent expert can see it clearly, the defence of "honest difference of opinion" is weakened considerably.
Interpretive error	The radiologist notices something but labels it incorrectly - for example, calling a malignant tumour a benign cyst, or dismissing a fracture line as a vascular channel.	20-40%	Harder to prove. The defence can invoke Dunne principles, arguing a competent body of radiologists might have reached the same conclusion.
Satisfaction of search	The radiologist finds one abnormality (e.g. a rib fracture in a trauma patient) and stops looking, thereby missing a second, potentially more serious finding (e.g. a lung nodule).	Common in A&E and trauma	Strong claim because systematic review protocols exist. Failure to complete the review suggests a protocol failure, not a judgment call.
Communication error	The report is correct, but the urgent findings are not communicated to the treating doctor promptly. The radiologist types the finding but nobody acts on it.	Systemic - hard to quantify	Shifts liability from the individual radiologist toward the hospital system. The duty does not end at typing the report - it must be received and acted on.
Technical error	Poor image quality due to incorrect positioning, inadequate contrast timing, or motion artefact. The scan is non-diagnostic, but the radiologist attempts to interpret it anyway instead of ordering a repeat.	Variable	Negligence lies in accepting sub-standard images. A competent radiologist should flag the technical failure and request a repeat scan.
System-level failure	IT problems (PACS downtime, missing prior images), staffing gaps, or absent peer review. The error results from institutional conditions rather than individual incompetence.	Contributes to all other types	Relevant to vicarious liability claims against the HSE or hospital. Evidence of rosters, staffing levels, and QA protocols becomes central.

Sources: SCA radiology review [1]. Pinto et al. [5]

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Errors by imaging type: X-ray, CT, MRI, and ultrasound

Different scan types produce different patterns of error. Knowing which imaging modality failed - and what was missed - shapes both the medical evidence and the legal strategy.

Plain film X-ray: the missed fracture

X-ray errors are the most common radiology claims in Ireland. The SCA's review confirmed that 55% of missed diagnosis claims related to fractures. Emergency departments are the most frequent setting, where high volumes and time pressure combine with genuinely subtle findings.

Scaphoid fractures (wrist) are notoriously hard to spot on a standard X-ray and often require specific scaphoid views or an MRI. If these aren't ordered and the fracture goes untreated, the bone's blood supply can be compromised, leading to avascular necrosis and permanent stiffness. Hip fractures in older patients present a similar pattern: osteoporotic bone can obscure fracture lines, and failing to order a follow-up MRI when the patient can't bear weight is a recognised breach. Elbow fractures, particularly the "sail sign" indicating a radial head fracture, are another common miss. SCA [1]

CT and MRI: cancers, strokes, and spinal emergencies

Cross-sectional imaging errors tend to involve higher-value claims because the missed conditions are often life-threatening. Cancer staging errors on CT can mean that metastases are overlooked, leading to inappropriate treatment pathways. In stroke cases, subtle early signs on a non-contrast CT brain scan (such as the "dense vessel sign" or loss of grey-white differentiation) may be missed, causing the patient to miss the narrow window for clot-dissolving treatment. MRI errors in cases of cauda equina syndrome - where red-flag symptoms like saddle numbness and bladder dysfunction demand urgent scanning - can result in permanent paralysis if the scan isn't performed or interpreted in time. Pinto et al. [5]

Breast imaging: mammography and ultrasound

Breast imaging claims carry particular sensitivity in Ireland given the history of screening controversies. Dense breast tissue in younger women limits mammographic sensitivity, and failure to order supplementary ultrasound when a mammogram is equivocal can constitute a breach. Misinterpreting micro-calcifications as benign when they indicate DCIS (ductal carcinoma in situ) is a specific interpretive error. The Crumlish v HSE [2024] IECA 244 judgment (discussed below) emerged from a breast imaging dispute and illustrates how courts scrutinise the evidence for whether a lesion was truly detectable at the time. SCA [1]. Irish Times [10]

A systemic vulnerability that strengthens breast imaging claims: Ireland's BreastCheck programme uses mandatory 100% double reading, where two radiologists independently review every mammogram. That protocol is the only area where double reading is standard in Ireland - every other scan type, including diagnostic mammograms outside BreastCheck, is single-read. If your cancer was missed on a single-read scan at a hospital rather than through the screening programme, the question of whether double reading was available and not applied becomes relevant to the breach argument. Brady et al. [6]

Interventional radiology

Not all radiology claims involve misreading a scan. Interventional radiology - image-guided biopsies, angiograms, drain insertions - can cause direct physical injury. The SCA found that 7% of radiology claims arose from unanticipated complications during interventional procedures, sometimes linked to a failure to discuss risks with the patient beforehand. If a biopsy needle misses the target lesion, the resulting false-negative pathology report can delay a cancer diagnosis by months. Vascular injury during angiography or organ perforation during a drain insertion also generates claims where the operator is a radiologist rather than a surgeon. SCA [1]

When does a scan error become negligence? The Dunne test explained

In Ireland, not every scan error is grounds for a claim. The legal standard comes from Dunne v National Maternity Hospital [1989] IR 91, which established that a medical professional is not negligent if they followed a practice that a "general and approved" body of practitioners in the same field would have approved. Applied to radiology, this means the error must be one that no radiologist of equal specialist skill and status would have made if acting with ordinary care. Hayes Solicitors [2]

The Dunne standard creates a specific challenge. Scan interpretation involves ambiguity - shadows, artefacts, normal variants. A subtle finding that one radiologist might flag and another might legitimately miss is not automatically negligent. Your case needs to show that the finding was sufficiently obvious (or that the failure to follow up was sufficiently clear-cut) that a competent peer, reviewing the images without knowing the outcome, would say: "that shouldn't have been missed." In practice, this is established through an independent expert radiologist report - typically a consultant radiologist asked to review the original images and give their opinion on whether the standard was met. SCA [1]

Emergency versus elective: the clinical setting changes the standard

The Dunne test compares the radiologist's actions to what a competent peer would have done in the same circumstances - and the circumstances include the clinical setting. An A&E radiologist reading 80 X-rays overnight during a 12-hour on-call shift operates under different pressures than an outpatient radiologist reviewing a planned MRI on a scheduled list. The peer comparison must match the environment. A finding that would be indefensibly missed on a planned outpatient scan with full clinical history may be treated differently when missed during an emergency department batch at 3am with minimal clinical context. In practice, your expert report should address whether the scan was read in an emergency or elective setting and what that means for the expected detection rate. SCA [1]

What did Crumlish v HSE change about proving radiology claims?

The 2024 Court of Appeal decision in Crumlish v HSE [2024] IECA 244 is now required reading for anyone pursuing a radiology misdiagnosis claim in Ireland. The case involved a woman who attended Letterkenny University Hospital in May 2017 with breast lumps. A radiologist reported "multiple small cysts." Five months later, she was diagnosed with fast-growing breast cancer. She claimed the cancer had been detectable in May and the hospital negligently failed to diagnose it. Irish Times [10]

Her case relied heavily on academic research estimating a 45-day "tumour doubling time" to argue that a cancer found in October must have been visible in May. Both the High Court and the Court of Appeal rejected this approach. Justice Gearty criticised the plaintiff's expert for what the court described as confirmation bias - selecting a doubling time calculation to suit the claim rather than treating it as a scientific question in its own right. The Court of Appeal upheld the dismissal, finding that the case "failed at the first causation hurdle." Irish Times [10]. Lexology [11]

What this means for claimants: You cannot rely on mathematical modelling of tumour growth to prove a scan was misread. A detail that catches many claimants off guard: you need concrete radiological evidence that the abnormality was visible - and recognisable - on the original images. Independent expert review of the actual scans, not theoretical calculations about what might have been present, is what the courts now require. If your expert can point to the finding on the original image and explain why a competent radiologist should have flagged it, Crumlish does not prevent your claim. It prevents weak claims built on back-calculated assumptions. Lexology [11]

How long do I have to make a radiology claim in Ireland?

The general limitation period for personal injury claims in Ireland is two years from the date of injury or, crucially, from the date of knowledge - the date you knew or ought reasonably to have known that you suffered injury caused by someone else's act or omission. For radiology claims, this distinction is everything. Citizens Information [3]

The scan might have been done in 2022. The misread report might have sat in your file for two years. But if you only discovered the error in 2025 - because a second scan revealed what the first one missed, or because your condition deteriorated and further investigation uncovered the original mistake - your clock typically starts from 2025, not 2022.

What we call The Scan-to-Claim Timeline tracks four dates that matter in every radiology case: (1) when the original scan was performed, (2) when the error was discovered, (3) when the harm was linked to the error, and (4) when the two-year limitation clock began running. In cancer cases, where a missed finding on an earlier scan may only come to light when the disease has progressed, the gap between dates (1) and (2) in the Scan-to-Claim Timeline can stretch for years.

Do not assume you're too late. Many people who contact us believe they're outside the time limit because they focus on when the scan was taken rather than when they learned something went wrong. We often see clients who dismiss a valid claim on this basis alone. Running through the Scan-to-Claim Timeline with an experienced solicitor can clarify whether the date of knowledge extends your window. The Injuries Resolution Board (formerly known as PIAB, the Personal Injuries Assessment Board) handles the mandatory pre-litigation process for most personal injury claims, though medical negligence claims like radiology errors are exempt from the IRB's assessment process. Civil Liability and Courts Act 2004, s.8 [12]

Open disclosure and the date-of-knowledge clock

Open disclosure adds another layer. The Faculty of Radiologists' 2015 guidance on open disclosure in radiology requires hospitals to inform patients when a scan error is identified internally. When a hospital discloses, it creates a documented record and typically starts the date-of-knowledge clock for limitation purposes. When a hospital fails to disclose an error it has already identified at a discrepancy meeting (see below), that failure can become a separate complaint ground and may support an argument that the claimant could not reasonably have known about the error earlier. Your solicitor can request the department's disclosure records and meeting minutes to establish exactly when the institution became aware of the mistake and whether they told you. Faculty of Radiologists QI Guidelines [16]

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Who is legally responsible for a radiology error?

In most cases involving public hospitals, the claim is brought against the HSE under the Clinical Indemnity Scheme, managed by the State Claims Agency. The individual radiologist is not normally sued personally - the hospital bears vicarious liability for the acts of its employees and, in many cases, its contractors. SCA [1]

Liability becomes more complex where teleradiology is involved. From handling these cases, we know that if your scan was read by a radiologist contracted through an external reporting company - possibly based in the UK or elsewhere - the HSE or the hospital that sent the images typically retains the non-delegable duty of care. You do not need to work out who read your scan before instructing a solicitor. That is established through the disclosure process. For scans taken in private hospitals or clinics, the claim may lie against the institution, the consulting radiologist, or both. SCA [1]

A further distinction worth understanding: liability differs depending on whether the error was in image acquisition or image interpretation. Radiographers acquire the images - they position the patient, select the scanning protocol, and operate the equipment. Radiologists interpret the resulting images and write the report. If the images were acquired with poor positioning, the wrong protocol, or covering the wrong body part, the defendant may be the radiographer, the supervising radiologist, or the hospital for systemic failures. The SCA's data showing 7% of claims linked to equipment and procedural issues points to this acquisition-error category. If your scan images were technically inadequate and the radiologist reported on suboptimal images without flagging the limitation, both the acquisition and interpretation stages may have breached the standard. SCA [1]

How do you prove a radiology misdiagnosis claim in Ireland?

The four elements of proof

Proving a radiology claim involves four elements, each of which must be established on the balance of probabilities.

1) Duty of care. This is rarely disputed. The hospital and radiologist owed you a duty to report your scan accurately. If you were a patient and a scan was performed, the duty existed.

2) Breach of duty. This is where your case is won or lost. An independent consultant radiologist - usually sourced from outside the treating hospital, often from the UK to avoid conflicts in Ireland's small medical community - reviews the original images. Their expert report must state that the finding was visible and that a competent radiologist should have identified and reported it. The Dunne standard applies: would a radiologist of equal skill have made this error? Hayes Solicitors [2]

3) Causation. You must prove the error caused you actual harm. In a missed fracture case, that might mean the bone healed incorrectly, requiring surgery that wouldn't otherwise have been needed. In a cancer case, you must show that earlier diagnosis would have led to different treatment or a better outcome - not just mathematically, but on the evidence available. Crumlish v HSE [2024] IECA 244 confirmed that theoretical modelling alone will not suffice. The abnormality must have been detectable on the scan. Irish Times [10]

4) Damages. Quantify your losses: additional treatment costs, loss of earnings, pain and suffering, and any ongoing care needs. The Personal Injuries Guidelines (Judicial Council, 2021, replacing the older Book of Quantum) set the framework for general damages in Ireland. Judicial Council Guidelines [13]

Evidence sources most guides do not mention

Beyond the Five-Point Evidence Protocol, three categories of hospital-generated evidence can transform a radiology claim from arguable to overwhelming. These are rarely covered in general guides on this topic.

Discrepancy meeting minutes. Every radiology department in Ireland is required under the Faculty of Radiologists' National QI Programme to hold regular discrepancy meetings where errors are reviewed and scored on a Band 1/2/3 severity matrix. If the hospital's own meeting already identified and scored the error that harmed you, those minutes are disclosable. A Band 2 or Band 3 classification from the department's own peers is closer to an internal admission of breach than anything your solicitor could draft. Your solicitor can request these records through voluntary or court-ordered discovery. Faculty of Radiologists QI Guidelines [16]

The PACS audit trail. Every action in the hospital's PACS (Picture Archiving and Communication System) is timestamped and logged. The system records who opened a report, when they viewed the images, how long they spent on them, and whether the referring clinician accessed the findings. In communication error claims - where the report was accurate but nobody acted on it - the PACS log proves whether the GP or hospital doctor actually opened the radiology report or let it sit unread. In interpretation error claims, the log shows whether the radiologist viewed comparison imaging or reported the scan in isolation. This digital chain of custody turns a "he said, she said" communication dispute into timestamped fact. eHealth Ireland NIMIS [7]

Addendum versus supplementary report. When a radiologist catches their own error and issues a corrective addendum, the timestamp and distribution trail matter. An addendum issued within hours, before clinical decisions were made, may limit the hospital's liability. One issued weeks later - or not at all - strengthens the claimant's position. A different scenario arises when a second radiologist reviewing a follow-up scan flags an abnormality visible on an earlier study and issues a supplementary report. The supplementary report's date becomes the earliest point at which the institution knew about the error. In both cases, the timing and distribution of these reports is central to proving when the system knew and whether it acted. eHealth Ireland NIMIS [7]

The radiology request form. Before any scan is interpreted, the referring doctor fills in a request form telling the radiologist what to look for, the patient's clinical history, and the clinical question being asked. This form shapes the entire interpretation. If the request said "query lung mass" and the radiologist reported "normal chest X-ray," the request form becomes central evidence of breach because the radiologist was specifically directed to look for that finding. Conversely, if the request was vague ("chest pain, query cause"), the defence may argue the radiologist was not alerted to the relevant clinical concern. Your solicitor should request the original radiology request form alongside the images and report - it is part of the NIMIS record. eHealth Ireland NIMIS [7]

What compensation can you expect?

Radiology misdiagnosis compensation in Ireland follows the same framework as other personal injury claims, guided by the Personal Injuries Guidelines (2021). Awards comprise general damages (pain, suffering, and loss of amenity) and special damages (vouched financial losses). The amount depends not on the scan error itself but on the harm caused by the delay between the missed diagnosis and the correct one. Judicial Council Guidelines [13]

A missed wrist fracture leading to stiffness and one additional surgery will produce a different award from a missed lung cancer that progressed from treatable to terminal. In cancer cases, proving that earlier detection would have materially changed the outcome (as distinct from merely offering a statistical improvement in survival odds) is required after Crumlish. Where the delay caused progression requiring more aggressive treatment - additional surgery, longer chemotherapy, radiotherapy that wasn't originally needed - those additional harms are compensable even if overall prognosis wasn't dramatically altered.

Special damages commonly include: additional medical expenses (private consultations, further scans, corrective procedures), loss of earnings during extended treatment, travel costs for hospital visits, and future care or rehabilitation costs. Where a patient has died as a result of the delayed diagnosis, a wrongful death claim under the Civil Liability Act 1961 may be brought by dependants.

Indicative general damages ranges for common radiology error outcomes

General damages estimates based on the Personal Injuries Guidelines (2021) applied to typical radiology misdiagnosis outcomes. Ranges are indicative only. Every case is assessed individually, and special damages (financial losses, care costs) are additional.

Radiology error scenario	Resulting harm	Guideline bracket	Indicative general damages
Missed wrist fracture (scaphoid) leading to malunion or avascular necrosis and corrective surgery	Wrist injury - moderate to serious	Bracket 3	€20,000 - €50,000
Missed spinal fracture or cauda equina syndrome causing permanent nerve damage and mobility loss	Spinal injury - severe	Bracket 4	€100,000 - €250,000
Missed lung or breast cancer progressing from early to advanced stage, requiring additional chemotherapy and surgery	Cancer progression (non-fatal)	Bracket 4	€150,000 - €400,000+
Missed brain haemorrhage or early stroke signs on CT, causing the patient to miss the treatment window	Brain injury - very severe	Bracket 4	€250,000 - €550,000
Missed cancer leading to death (dependant claim under Civil Liability Act 1961)	Fatal claim - solatium and dependency	Statutory	Varies by number of dependants and financial dependency

These figures reflect general damages only (pain, suffering, and loss of amenity). They do not include special damages such as loss of earnings, medical expenses, or future care costs, which can substantially increase the total award. The Judicial Council is currently reviewing draft amendments to the 2021 Guidelines. The figures above reflect the guidelines in force as of February 2026. Judicial Council Guidelines [13]

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What does the radiology claim process look like in Ireland?

Medical negligence claims in Ireland follow a different path from road traffic or workplace injury claims. Under Citizens Information guidance, medical negligence is exempt from the Injuries Resolution Board's assessment process - the IRB issues an authorisation letter but does not assess your claim. Instead, the case proceeds directly to litigation. Citizens Information [3]

The typical stages and realistic timeframes

Stage 1: Free initial consultation (same week). A solicitor reviews the facts, identifies the type of error, and assesses whether the claim has merit before any costs are incurred.

Stage 2: Medical records and imaging request (8 - 12 weeks). Your solicitor requests the full medical file, radiology reports, and PACS images in DICOM format from the hospital or HSE. Under GDPR, the hospital must comply within one month, though extensions are common for complex files. The radiology request form, PACS audit trail, and any addenda or supplementary reports are included in this request.

Stage 3: Independent expert review (3 - 6 months). An independent consultant radiologist - usually UK-based to avoid conflicts in Ireland's small medical community - reviews the original images and provides a written opinion on whether the standard of care was met. This expert report is the foundation of the case.

Stage 4: Letter of claim. If the expert supports the claim, your solicitor sends a formal letter of claim to the HSE (via the State Claims Agency) for public hospital cases, or to the private hospital or practitioner's insurer.

Stage 5: IRB authorisation. Even though the IRB does not assess medical negligence claims, you still must apply for an authorisation letter before issuing court proceedings. The respondent has 90 days to consent or decline. If they decline, the authorisation is issued automatically. Injuries Resolution Board [14]

Stage 6: Court proceedings, discovery, and exchange of reports (12 - 24 months). Proceedings are issued. Both sides exchange expert reports and medical evidence. Discovery requests can include rosters, workload data, discrepancy meeting minutes, and PACS audit logs.

Stage 7: Mediation or hearing. Many radiology claims settle at mediation. If the case goes to trial, it is heard in the High Court (for claims above €60,000) or the Circuit Court (for claims below €60,000). Total duration from first consultation to resolution typically ranges from 2 to 4 years for straightforward cases.

Quick answers for common situations

"I got a second scan that found what the first one missed" - This is the most common entry point. Request your full records and the original images. An independent expert can compare both scans to assess whether the finding was visible earlier.

"The report was correct but nobody told me" - This is a communication error. Liability may lie with the hospital system or the referring doctor rather than the radiologist. It's still a valid basis for a claim.

"I was told it's a cyst/sprain and it turned out to be cancer/fracture" - This describes an interpretive error. Your claim depends on whether a competent radiologist, given the same images and clinical context, should have reached a different conclusion.

"The scan was taken years ago - am I too late?" - Possibly not. Your two-year limitation period runs from the date of knowledge, not the date of the scan. Speak to a solicitor before assuming you're time-barred.

What to do when a second scan reveals the error

The moment you learn that a follow-up scan has found something the first one missed is the most common starting point for a radiology claim. What you do in the following days matters.

Do not contact the hospital to ask for an explanation before speaking to a solicitor. Once the hospital is on notice that you suspect an error, the open disclosure process may be triggered, and timelines begin to shift. Speak to a solicitor first so that the records request and evidence preservation happen in the right order.

Note the exact date you were told about the discrepancy. Write it down. This date is likely your date of knowledge under the Scan-to-Claim Timeline and starts the two-year limitation clock. Civil Liability and Courts Act 2004, s.8 [12]

Request both sets of images. Your solicitor will request the original scan images and report, the new scan images and report, and the radiology request forms for both. All should be in DICOM format from PACS, not PDF copies. The independent expert needs the raw imaging data to compare the two studies side by side. eHealth Ireland NIMIS [7]

Keep everything in writing. If a doctor verbally tells you "the earlier scan should have picked this up," note the date, time, and who said it. Verbal admissions are harder to rely on later, but a contemporaneous note made by you can support your account.

What do most guides miss about radiology claims?

Most general guides on this topic cover the basics: errors happen, you can claim, you have two years. Here is what they tend to leave out.

The radiologist shortage matters to your case. Ireland's staffing crisis is not just context - it can be evidence. If your scan was read during a shift where the radiologist was covering double lists, or by a locum unfamiliar with the institution's protocols, that is relevant to breach of duty. Your solicitor may seek disclosure of rosters, workload data, and reporting volumes for the relevant period. Brady et al. [6]

NIMIS gives you access to your imaging history. If you've had prior scans in any Irish public hospital, those images should be accessible through NIMIS. This matters because a radiologist reporting your scan had (or should have had) access to your prior imaging for comparison. If a finding was present on an earlier scan and missed again, the comparison evidence strengthens your claim significantly. eHealth Ireland [7]

AI in radiology does not create a defence. Artificial intelligence tools are increasingly used to assist radiologists in triaging and flagging findings. But the legal position is clear: the human radiologist retains full liability for the report. If an AI tool correctly flagged an abnormality and the radiologist dismissed it as a false positive, the radiologist - not the algorithm - is responsible. "The computer missed it" is not a valid defence under the Dunne standard.

Satisfaction of search is often overlooked. If you went to A&E with multiple injuries and only one was identified on the scan, ask whether the radiologist completed a systematic review or stopped after finding the first abnormality. This psychological phenomenon - called satisfaction of search - is a well-documented cause of diagnostic error, and it's a strong basis for a claim because systematic review protocols exist precisely to prevent it. Brady et al. [6]

Defences and lesser-known legal dynamics

Missed follow-ups do not automatically destroy your claim. A common fear: "Can they say it was my fault because I didn't attend the follow-up appointment?" The defence of contributory negligence under the Civil Liability Act 1961 allows a court to reduce damages if the claimant's own actions contributed to the harm. But the threshold for reducing awards in medical negligence cases is high. Failing to attend one follow-up does not extinguish a claim where the original scan was negligently misread. The court asks whether your failure to follow up was a material cause of the additional harm, not merely an inconvenience to the hospital's scheduling. If the error was the primary cause and your missed appointment was a secondary factor, damages may be reduced by a percentage rather than eliminated entirely. Civil Liability Act 1961 [17]

Useful resources and records access

Common questions

What counts as radiology misdiagnosis in Ireland?

Radiology misdiagnosis occurs when a scan is misread, an abnormality is missed, or findings are not communicated to the treating doctor, causing harm through delayed or incorrect treatment.

• Covers all imaging: X-ray, CT, MRI, ultrasound, mammography.
• Includes perceptual errors (not seen), interpretive errors (seen but wrong conclusion), and communication failures (correct report, no action).
• The SCA found 71% of Irish radiology claims involved diagnostic errors. SCA [1]

Why it matters: Identifying the type of error determines who is liable and the strength of your case.

Next step: Gather your scan reports and any follow-up imaging that revealed the error. Call 01 903 6408 for a confidential assessment.

How common are radiology errors in Irish hospitals?

The State Claims Agency reviewed 58 radiology claims (2016-2020) and found diagnostic errors in 71% of cases, with 93% being missed diagnoses. Fractures made up 55% and cancers 21%.

• International studies cite a 3-5% baseline error rate in daily radiology work.
• Ireland's radiologist shortage (roughly 5 per 100,000, about half the EU average) and workload pressures push the effective risk higher.
• Diagnosis-related claims had an estimated liability of almost €110 million in 2023. SCA diagnosis reporting [4]

Why it matters: The data shows radiology errors are not rare events - they're a systemic issue in Irish healthcare, driven in part by workforce shortages.

Next step: If you suspect a scan error, request a copy of the original report and images. Read the SCA's radiology review [1].

How do I prove a radiology misdiagnosis claim?

You must establish duty of care, breach (the error fell below the Dunne standard), causation (the error caused harm), and damages (quantifiable loss).

• An independent consultant radiologist reviews the original PACS images and gives an expert opinion on whether the finding was visible and should have been reported.
• After Crumlish v HSE [2024], you cannot rely on theoretical modelling - the finding must have been detectable on the actual scan. Irish Times [10]
• Causation requires showing the delay worsened your outcome - more extensive treatment, poorer prognosis, or additional surgery.

Why it matters: Expert evidence is the backbone of every radiology claim. Without a supportive independent radiologist report, the case will not proceed.

Next step: Do not commission your own expert before speaking to a solicitor - the choice of expert and the questions they are asked are critical. Start with our Five-Point Evidence Protocol to make sure nothing is missed. Call 01 903 6408.

What is the time limit for a radiology claim in Ireland?

Two years from the date of knowledge - the date you knew or should have known the scan was misread, not the date the scan was taken.

• Many radiology errors are discovered months or years later when a second scan reveals what the first one missed.
• For children, the clock doesn't start until their 18th birthday.
• Contact a solicitor promptly once you suspect an error - the date of knowledge can be contested. Citizens Information [3]

Why it matters: The most common reason people don't pursue valid claims is wrongly assuming they're out of time because they focus on the scan date.

Next step: Document when you first learned of the error (letter, second scan, consultant conversation) and run through the Scan-to-Claim Timeline with a solicitor. Call 01 903 6408.

Do I sue the radiologist or the hospital?

In public hospitals, the claim is usually against the HSE under the Clinical Indemnity Scheme, managed by the State Claims Agency. You do not sue the individual radiologist.

• The hospital bears vicarious liability for its staff and, typically, its contractors.
• For teleradiology (scans reported externally), the hospital that sent the images usually retains the non-delegable duty of care.
• Private hospital claims may be against the institution, the consultant, or both.

Why it matters: You do not need to identify which radiologist read your scan before making a claim - that's established during the disclosure process.

Next step: Keep all hospital correspondence, appointment letters, and discharge summaries that identify the hospitals involved. State Claims Agency [15].

How much compensation for a misread scan in Ireland?

Radiology misdiagnosis compensation has no fixed amount. Awards depend on the harm the delay caused - the additional treatment, suffering, and financial losses - not the scan error itself.

• General damages (pain and suffering) are guided by the Personal Injuries Guidelines [13].
• Special damages cover additional medical expenses, lost earnings, travel, and future care.
• A missed fracture requiring one extra surgery may attract general damages of €20,000 - €50,000. A missed cancer that progressed to an advanced stage can exceed €150,000 - €400,000+. See the indicative ranges table above.

Why it matters: The deciding variable isn't the error but the gap between what happened and what should have happened if the scan had been read correctly.

Next step: Keep records of every additional medical appointment, prescription, day off work, and expense linked to the delayed diagnosis. Call 01 903 6408 for an assessment.

Can I bring a radiology claim on a no win no fee basis?

Yes. Many solicitors in Ireland, including Gary Matthews Solicitors, handle medical negligence cases on a no win no fee basis, meaning you do not pay legal fees if the claim is unsuccessful.

• The solicitor bears the upfront cost of obtaining medical records and commissioning independent expert reports.
• Radiology claims require specialist expert input (typically an independent consultant radiologist), which adds cost - this is covered by the firm in a no win no fee arrangement.
• If successful, legal costs are usually recovered from the defendant.

Why it matters: Expert radiology reports can be expensive. No win no fee removes the financial barrier to investigating whether you have a case.

Next step: Contact us for a free initial assessment of your case. 01 903 6408.

Can I claim if a missed scan led to a family member's death?

Yes, in many cases. Dependants can bring a wrongful death claim under the Civil Liability Act 1961 if the delayed diagnosis contributed to the death.

• You must show the delay materially affected the outcome - not just that an error occurred.
• Germaine v Day [2024] IEHC 420 clarified that if the death was inevitable regardless of the error, certain secondary claims (such as for nervous shock) may fail.
• Fatal claims are sensitive and complex - the strength of the causation evidence is critical.

Why it matters: Proving that earlier diagnosis would have changed the outcome requires strong expert evidence linking the delay to the progression of the condition.

Next step: If a loved one died following a suspected radiology error, gather their medical records and speak to a solicitor as soon as possible. Call 01 903 6408.

If AI flagged the abnormality and the radiologist dismissed it, who is liable?

The radiologist. AI tools assist but don't replace the reporting clinician. Under the Dunne standard, the human who signs the report bears the legal duty of care.

• If the AI correctly identified a lesion and the radiologist overrode it, that's potentially a stronger case because there was an additional prompt to look harder.
• "The computer missed it" is not a valid defence - the radiologist is expected to exercise independent judgment.
• This is an emerging area, but the current legal position in Ireland is clear.

Why it matters: As AI tools become more common in Irish radiology departments, liability questions will grow. The answer, for now, stays with the human.

Next step: If you know AI tools were used in your scan reporting, mention it to your solicitor - it may be relevant to the evidence strategy.

Does it matter if the scan was done in a private hospital?

No. The same legal principles apply. The Dunne test governs negligence claims regardless of whether the hospital is public or private.

• In public hospitals, the HSE is usually the defendant. In private settings, the claim may be against the hospital, the consulting radiologist, or both.
• Private patients may have faster access to their records but the same standard of care applies.
• Some private scans are reported by the same teleradiology companies that serve public hospitals.

Why it matters: Do not assume that paying for a scan means you accepted the risk of error. The standard of care is the same.

Next step: Identify the hospital or clinic where the scan was taken and request your records. Call 01 903 6408.

Related questions

What if the error was on a screening scan (e.g. BreastCheck)?

Screening programme errors are handled the same way legally - the Dunne standard applies. However, screening involves reviewing large volumes of normal images, so courts recognise that subtle early findings can be harder to detect in that context. If the finding was visible to a competent screener, the claim is viable. Given Ireland's history with screening controversies, this area attracts particular scrutiny.

Can I claim for a contrast dye allergic reaction?

If you had a known allergy to iodine-based or gadolinium-based contrast agents and the radiology team failed to check your history before administering it, or failed to have adequate resuscitation equipment available, that's a potential claim for procedural negligence. The claim centres on informed consent and safety protocols rather than diagnostic error.

What if I find out about the error through accessing my records under GDPR?

Increasingly, patients discover radiology errors by requesting their own records and having a second clinician review them. The date of knowledge typically starts when you became aware of the error and its significance, which could be when you received those records or when a clinician explained their implications. Requesting records is a reasonable first step, but always bring them to a solicitor or specialist clinician for interpretation.

References

Sources cited

1. State Claims Agency - Learning from Radiology Claims (five-year review, 2016-2020)
2. Hayes Solicitors - Dunne Principles in Medical Negligence
3. Citizens Information - Injuries Resolution Board
4. State Claims Agency - Diagnosis Incident Reporting (2023 data)
5. Pinto A et al., "Spectrum of diagnostic errors in radiology," World J Radiol, 2010
6. Brady A et al., "Discrepancy and Error in Radiology: Concepts, Causes and Consequences," Ulster Med J, 2012
7. eHealth Ireland - NIMIS (National Integrated Medical Imaging System)
8. Irish Times - Crumlish v HSE Court of Appeal Decision (Oct 2024)
9. Lexology - Medical Negligence Litigation 2024 Review (Crumlish analysis)
10. Civil Liability and Courts Act 2004, s.8
11. Judicial Council - Personal Injuries Guidelines (2021)
12. Injuries Resolution Board - Making a Claim
13. State Claims Agency - Homepage
14. Faculty of Radiologists RCSI - National Radiology QI Guidelines v3.0 (2015)
15. Civil Liability Act 1961 (contributory negligence and fatal claims)

Related guides on this site

Related internal guides: Misdiagnosis claims · Cancer misdiagnosis · Medical negligence overview · Recent medical negligence cases

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