PMC10265540_01
(A) A 15 cm, heterogenous, retroperitoneal mass is shown on coronal (left panel) and axial (right panel) abdominal CT imaging with i.v. contrast. (B) The first abdominal wall recurrence, 2 years following initial surgery: a 3 cm mass is seen in the left anterior abdominal wall on CT (arrow). (C) Second recurrence, 3 years after surgery. (C1) A 2.1 x 1.3 cm left anterior abdominal wall lesion is seen respectively on CT (upper panel) and FDG-PET (lower panel) (arrow). (C2) A 2.2 x 1.5 cm retroperitoneal recurrence is shown, on the superior pole of the left kidney, behind the splenic vein at the initial tumor bed, respectively on MRI (left panel) and FDG-PET (right panel) (arrow).
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