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Title: 膀胱後部平滑筋腫の1例
Other Titles: A case of retrovesical leiomyoma
Authors: 多武保, 光宏  KAKEN_name
藤本, 清秀  KAKEN_name
星山, 文明  KAKEN_name
中西, 道政  KAKEN_name
井上, 剛志  KAKEN_name
平山, 暁秀  KAKEN_name
植村, 天受  KAKEN_name
平尾, 佳彦  KAKEN_name
Author's alias: Tambo, Mitsuhiro
Fujimoto, Kiyohide
Hoshiyama, Fumiaki
Nakanishi, Michimasa
Inoue, Takeshi
Hirayama, Akihide
Uemura, Hirotsugu
Hirao, Yoshihiro
Keywords: Leiomyoma
Retrovesical tumor
Issue Date: Jul-2004
Publisher: 泌尿器科紀要刊行会
Journal title: 泌尿器科紀要
Volume: 50
Issue: 7
Start page: 497
End page: 499
Abstract: 61歳男性.患者は下腹部不快感,排尿困難で受診し,直腸診で前立腺部に軽度圧痛を認め,慢性前立腺炎の診断でセルニチン・ポーレンエキスを投与し症状は軽快したが,CTで膀胱背側の左精嚢頭側に3×2cmの充実性腫瘍を認めたため手術目的で今回入院となった.直腸診では前立腺部圧痛は消失しており,前立腺はクルミ大で弾性硬であった.骨盤CTで膀胱後腔の左精嚢頭側にiso-densityな腫瘍を認め,MRIでは腫瘍はT1,T2強調像ともに低信号,辺縁は整で,造影では緩徐に濃染され内部は不均一であった.膀胱,直腸,精嚢との連続性はなく,後腹膜原発腫瘍と診断し腫瘍摘出術を行った.腫瘍は左精嚢の一部と癒着があり,精嚢の一部と共に摘出した.病理所見では腫瘍は分化の良い筋組織で満たされ,細胞異型は認めず,後腹膜原発平滑筋腫と診断した.術後約6ヵ月経過現在で再発は認めていない
We herein report a rare case of leiomyoma in the retroperitoneal space posterior to the urinary bladder. A 61-year-old man came to our department complaining of lower abdominal discomfort. Abdominal and pelvic computed tomographic scan revealed a retrovesical solid tumor on the cranial side to the left seminal vesicle. Diagnostic imaging suggested that the retrovesical tumor was a benign tumor such as leiomyoma or fibroma, and he underwent simple resection of this retrovesical tumor via reroperitoneal approach. Histopathological diagnosis was well compatible with image diagnosis of leiomyoma. He has been followed up for 6 months without recurrence.
PubMed ID: 15334896
Appears in Collections:Vol.50 No.7

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