case_images: PMC7677649_01
case_images: (A) Right inguinal large mass with ulcerative wound and bleeding.. (B) Gross appearance of the tumor after surgical resection.
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case_images: The tumor surface became ulcerative and painful with active bleeding for 2 weeks after he hit against a desk at right groin tumor (Fig. 1).
case_images: (A, B) Non-contrast CT image revealed a large right inguinal tumor with heterogeneous density (C, D) Contrast-enhanced CT image displayed vascular like lesions inside the tumor, raising the suspicion of pseudoaneurysm or active bleeding (white arrow).
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case_images: Computed tomography (CT) revealed a well-circumscribed right inguinal heterogeneous tumor, measuring up to 15 cm, with a vivid enhanced area, implying the possibility of vascular lesion (Fig. 2).
case_images: Pelvic angiography image depicted a hypervascular tumor with abundant blood supply.
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case_images: However, pelvic angiography only detected a hypervascular tumor with blood supply originating from right external iliac artery and inferior epigastric artery (Fig. 3).
case_images: Microscopic appearance of synovial sarcoma. The tumor consisted of spindle-to-avoid cells and tubular glandular structures in addition to hemorrhage and necrosis. (hematoxylin-eosin, original magnification: 200x).
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case_images: More rounded cells and increased mitotic activity were also observed in poorly differentiated areas (Fig. 4).