Uterine tumor resembling an ovarian sex cord tumor: A case report and review of literature

Figure 1 Ultrasound scan. A: An 87 mm × 60 mm mass with a heterogeneous echo is seen on the right side of the pelvic cavity. It consists of a hypoechoic intracystic effusion and a hypoechoic intracystic tumor, with local honeycomb changes; B: Color Doppler imaging shows hypervascularity.

Figure 2 Contrast-enhanced computed tomography. A: A round low-density mass with uneven internal density was present in the pelvic cavity; B, C: Uneven enhancement was present in the arterial and venous phases of the scan and no enhancement in low-density areas.

Figure 3 Histopathological findings. A: Hematoxylin-eosin (HE) staining (× 100); B: HE staining (× 200); C: HE staining (× 400).

Figure 4 Immunohistochemical staining (× 100). A: Immunostaining for vimentin; B: CD99; C: Cytokeratin; D: α-Inhibin.