This is an uncommon variant of HCC affecting young patients with no risk factors. The tumour is typically large at diagnosis. The overall p...
This is an uncommon variant of HCC affecting young patients with no risk factors. The tumour is typically large at diagnosis. The overall prognosis is better than HCC, with a 5-year mortality rate of 30%-40% (90% with HCC). Local recurrence and nodal metastases are common.
• Solid, encapsulated mass of 5-20 cm at presentation
• Calcification
• Hyperechoic scar (60%)
CT
• Lobulated margin.
• Hypodense, particularly the central scar.
• Punctate calcification in 50%.
• Moderate, peripheral arterial enhancement post-contrast.
• Low attenuation on the portal phase (i.e. rapid washout).
• Scar does not enhance, but often contains calcification.
• Hypodense, particularly the central scar.
• Punctate calcification in 50%.
• Moderate, peripheral arterial enhancement post-contrast.
• Low attenuation on the portal phase (i.e. rapid washout).
• Scar does not enhance, but often contains calcification.
MRI
• Mass low signal on T1, high on T2
• Central scar is T2 hypo-intense
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