Our initial thought was that this mass was probably a lymphoma. CAT Scan guided pecutaneous needle biopsy shown at left. Biopsy needle and mass indicated by red arrow and red circle.
Patient is prone on CAT table and the biopsy needle is shown extending into periaortic node mass.
Biopsy revealed pancreaticoblastoma, a rare pancreatic germ cell tumor. The patient was treated with a course of chemotherapy by the oncologist . Following treatment, a repeat CAT scan of the abdomen shows regression of the tumor masses. Repeat CAT SCAN after chemotherapy treatment shows marked regression of the retroperitoneal masses shown at left.