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Radiology · Abdominal imaging
Sample itemA 45-year-old woman has an incidental liver lesion on ultrasound. MRI shows a very bright lesion on T2 with peripheral nodular discontinuous enhancement that fills in centripetally on delayed images. What is the diagnosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Haemangioma
Hepatic haemangioma is the commonest benign liver tumour. It shows marked T2 hyperintensity (light-bulb sign) and peripheral nodular enhancement with progressive centripetal filling. No treatment is needed unless it is symptomatic or giant.
Option by option
A. Metastasis
Metastases usually show rim enhancement and moderately increased T2 signal.
B. Focal nodular hyperplasia
Focal nodular hyperplasia has a central scar and homogeneous arterial enhancement.
C. Haemangioma (correct)
Correct. Peripheral nodular enhancement with centripetal fill-in is characteristic.
D. Hepatocellular carcinoma
Hepatocellular carcinoma shows arterial hyperenhancement with washout in a cirrhotic liver.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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