Radiological and histopathological characterization of hepatic angiomyolipoma. (A) Detection of a hepatic lesion by abdominal ultrasonography. (B) Color Doppler examination showing peripheral hypervascularization. (C) Typical MRI aspects of hepatic angiomyolipoma. (D) CEUS findings. (E) Gross pathological findings after surgery. (F) Histological demonstration of mostly adipose tissue. (G) Demonstration of epithelioid cells typically arranged around blood vessels. (H) Positive immunohistochemistry for the melanoma marker HMB-45.