Case 341:   Focal Nodular Hyperplasia (FNH)

Diagnostic Category:

Clinical Presentation:

47 year old woman with history of dermatofibrosarcoma of the groin and liver lesion on imaging done for staging.

US: Isoechoic and not well seen

Imaging Findings:

Ultrasound of the liver shows a biopsy proven subcapsular focal nodular hyperplasia in segment 5/8 that is isoechoic to the liver parenchyma and is not vascular when interrogated with color Doppler.