Figure 3.

A 14-month-old girl with Stage IV neuroblastoma who presented with scalp nodules and on/off fever for two weeks. (a,b) Axial CT of brain demonstrates a lentiform soft-tissue mass in right parietal bone (black arrow) associated with bony erosion. (c) Contrast-enhanced axial CT image of abdomen shows a large soft-tissue mass (T) at the left sided retroperitoneal space. The tumour encases the abdominal aorta (white arrow) and invades the left kidney (black arrow). (d) Metaiodobenzylguanidine scintigraphy demonstrates multiple foci of abnormal tracer uptake (arrows) in the abdomen, skull and appendiceal skeleton.