Focal nodular hyperplasia (FNH)
Severe abdominal pain. CT scan with contrast was done to investigate the cause.
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There is a 5 x 8 cm large intraparenchymal mass at the left liver lobe, segments II-III with homogeneous contrast enhancement on portal venous phase, apart from the central unenhanced scar and complete equilibration on delayed phase.
The central scar of the lesion is of low-attenuation on portal venous phase and demonstrates mild enhancement on the delayed phase.
The patient was referred with the history of severe abdominal pain and CT scan is performed with intravenous, oral and rectal contrasts to investigate the cause of her symptom.
Incidental findings of a left liver lobe mass with features compatible with focal nodular hyperplasia, which is a benign liver lesion, second only to liver hemangioma in frequency. It is most frequently found in young to middle-aged adults, and there is a strong female predilection.