Disseminated peritoneal leiomyomatosis with malignant transformation involving right ureter: A case report

Figure 1 Abdominal computed tomography demonstrated that the tumor extended from the right distal third ureter to the ureterovesical junction. A: White arrowhead in the axial view; B and C: Coronal view.

Figure 2 Intraoperative images of firm gray-whitish tumors. A: Located at right distal ureter; B: Located at right inguinal area; C: Located at left inguinal area; D: Located at abdominal wall; E: Located at sigmoid colon.

Figure 3 Histological appearance of disseminated peritoneal leiomyomatosis tumor. A: The tumor has hypercellular areas with focal myxoid matrix, composed of spindled-shape neoplastic cells arranged in interlacing fascicles and storiform growth pattern (original magnification, 200 ×); B: Myxoid matrix infiltrated into adipose tissue (original magnification, 100 ×).