Fig. 2.

Case 2. 17-month-old girl presented with intermittent fever.

A. Contrast-enhanced CT of abdomen shows huge soft tissue density lesion with heterogeneous enhancement in anterior mediastinum. B. In upper abdomen, soft tissue density lesions encase main portal vein, hepatic artery and splenic artery, without evidence of luminal narrowing (arrows). C, D. At 17 months after chemotherapy, follow-up CT of skull shows multifocal osteolytic lesions including greater wing of left sphenoid bone, and right temporal bone (arrows). E, F. One year after salvage chemotherapy, follow-up contrast-enhanced CT of abdomen shows nodular calcifications along biliary trees.