PMC9540468_01
Computed tomography (CT) scan of the abdomen. (A). Non-Contrast CT. (B). Contrast CT.
fsurg-09-968077-g001.jpg
PMC9540468_01_fsurg-09-968077-g001.jpg
F1
Contrast Computed Tomography (CT) further revealed a large left retroperitoneal mass measuring 7.0 cm x 12.3 cm x 13.0 cm with heterogeneous density, while enhanced CT scans showed moderately uneven enhancement (Figure 1).
Pathological findings of the surgically resected tumors. (A). Hematoxylin-eosin (HE) staining (x150). (B). Immunostaining for IGF-2 is diffuse positive (x150).
fsurg-09-968077-g002.jpg
PMC9540468_01_fsurg-09-968077-g002.jpg
F2
S1). Surgical pathology demonstrated a hemangiopericytoma and a strong positive for IGF-2 (Figure 2). The ki-67 index was 15% (Supplementary Figure S2).