case_images: PMC9540468_01
case_images: Computed tomography (CT) scan of the abdomen. (A). Non-Contrast CT. (B). Contrast CT.
case_images: fsurg-09-968077-g001.jpg
case_images: PMC9540468_01_fsurg-09-968077-g001.jpg
case_images: F1
case_images: 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).
case_images: Pathological findings of the surgically resected tumors. (A). Hematoxylin-eosin (HE) staining (x150). (B). Immunostaining for IGF-2 is diffuse positive (x150).
case_images: fsurg-09-968077-g002.jpg
case_images: PMC9540468_01_fsurg-09-968077-g002.jpg
case_images: F2
case_images: S1). Surgical pathology demonstrated a hemangiopericytoma and a strong positive for IGF-2 (Figure 2). The ki-67 index was 15% (Supplementary Figure S2).