膀胱海綿状血管腫の1例

A CASE REPORT OF BLADDER HEMANGIOMA CAVERNOSUM

Ⅰ．緒言

　膀胱血管腫は，先天性過誤腫に属するものと考えられ，肉眼的には皮膚，皮下組織，筋肉，その他の臓器に見られるものと同様，多発性扁平斑あるいは単発性腫瘤状で，いずれも周囲粘膜に蜘蛛巣状血管拡張像を示すことが多いといわれる。

　われわれは最近膀胱に発生せる海綿状血管腫の1例を経験したので報告する。

21 years old male with the chief complaint of macroscopic hematuria was admitted and a scarlet tumor of a hen egg size as noticed at the front of the right ureteral orifice by cystoscopy.

Partial resection of the bladder wall with the elevated tumor, 1.5×2.5×4cm in size, was performed.

Histopathological findings were hemangioma cavernosum which is the 27th case in the Japanese literature.