Leiomyosarcoma of urinary bladder- A case report

Mesenchymal tumors of the urinary bladder are rare and range from tumor like lesions such as pseudo sarcomatous myofibroblastic proliferations and proliferative spindle cell nodules(1) to malignant tumors such as rhabdomyosarcomas and leiomyosarcomas. Sarcomas of the urinary bladder account for less than 5 percent of all bladder tumors and include conditions like rhabdomyosarcoma, leiomyosarcoma, angiosarcoma and undifferentiated sarcoma (malignant fibrous histiocytoma). Rhabdomyosarcoma is the commonest malignant mesenchymal tumor in children, whereas leiomyosarcoma is common in adults. Leiomyosarcoma of bladder accounts for less than 1 percent of all bladder tumors(2). Hence the CT findings and histological features of a case of leiomyosarcoma of bladder in a 55 years old female are reported. Keyword :Urinary bladder - mesenchymal neoplasms - sarcomas - leiomyosarcoma.