A 59-year-old male presented with a painful right inguinal swelling and deep vein thrombosis at the ipsilateral leg. An inguinal hernia was initially diagnosed, but during surgery a large mass was found anteriorly to the peritoneal sheaths. Histology revealed a high-grade pleomorphic rhabdomyosarcoma. The mass advanced rapidly, occupying the whole right iliac fossa and metastasizing to the lung. Despite first- and second-line chemotherapy, the patient deteriorated rapidly and died. Rhabdomyosarcomas should be managed in specialized centres as they have prognostic factors and histologic features still controversial and poorly clarified.
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