後腹膜血管腫の1例

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A 24-year-old female was admitted to our clinic because of right flank mass and asymptomatic hematuria. She had received a surgical treatment of cutaneous hemangioma in the right back in childhood. There was hemangiomatous exanthema in the right back region which appeared to grow into the deep region and extend to the right back mass. Intravenous pyelogram showed nothing particular but medial deviation of the right ureter. Abnormal hyper vascularity supplied by lumbar arteries was seen in lumbar region that was identical with the retroperitoneal mass on abdominal aortogram. At operation, it was obvious that the subcutaneous hemangiomatous tissue extended into the retroperitoneal tumor. The retroperitoneal tumor was extirpated as extensively as possible, and the subcutaneous lesion was only biopsied. Right kidney and ureter were not invaded. Extirpated tumor was 17.5×11.5×9.0cm in size and weighed 710g. Histologically the retropE'fitoneal tumor was composed of venous hemangioma and hemangiopericytoma, the subcutaneous lesion was venous hemangioma, and the hemangiomatous exanthema was capillary hemangioma. Recurrence was found in the right retroperitoneal space about six months later. We discussed our own case in reference to other literatures.
泌尿器科紀要刊行会の論文