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Title: 骨盤内に発生した弧発性線維性腫瘍の1例
Other Titles: Solitary fibrous tumor in the pelvic space: a case report
Authors: 佐野, 剛視  KAKEN_name
西山, 博之  KAKEN_name
兼松, 明弘  KAKEN_name
高橋, 毅  KAKEN_name
中村, 英二郎  kyouindb  KAKEN_id
賀本, 敏行  KAKEN_name
三上, 芳喜  KAKEN_name
小山, 貴  KAKEN_name
小川, 修  kyouindb  KAKEN_id
Author's alias: Sano, Takeshi
Nishiyama, Hiroyuki
Kanematsu, Akihiro
Takahashi, Takeshi
Nakamura, Eijiro
Kamoto, Toshiyuki
Mikami, Yoshiki
Koyama, Takashi
Ogawa, Osamu
Keywords: Solitary fibrous tumor
Pelvic space
Retropublic radical prostatectomy
Issue Date: Dec-2007
Publisher: 泌尿器科紀要刊行会
Journal title: 泌尿器科紀要
Volume: 53
Issue: 12
Start page: 897
End page: 901
Abstract: 49歳男。排尿困難で受診し、骨盤内腫瘤の指摘で当科紹介となった。直腸指診で表面平滑石様硬、鵞卵大の腫瘤を触知し、経腹エコーで膀胱尾背側に径約10cmの腫瘤を認め、CTより内部均一な類円形腫瘤径10×8cmを認めた。腫瘍内部はT1強調像で低信号、T2強調像で周囲は低信号、中心は高信号を呈し、膀胱・直腸との境界は明瞭だが前立腺とは一部不明瞭であった。経直腸的針生検より紡錘形細胞が花むしろ様パターンを形成して増生し、膠原線維の軽度増生を認め、核異型は軽度で核分裂像は少数であった。免疫組織染色ではCD34に一部陽性であり、前立腺または膀胱後部の間質より発生した孤発性線維性腫瘍(SFT)と診断して手術を施行した。膀胱頸部を切断して腫瘍と前立腺を一塊に摘出し膀胱と直腸は温存した。腫瘍周囲は線維性被膜を認め切除断面は陰性であった。術後3ヵ月目に尿禁制は回復し6ヵ月現在再発は認めていない。
A 49-year-old man presented to our hospital complaining of difficulty in urination. Magnetic resonance imaging revealed a 10 cm mass posterolateral to the bladder. It was separated from the bladder, seminal vesicle and rectum, but indistinct from the prostate. Preoperative pathological diagnosis was established by transrectal needle biopsy as solitary fibrous tumor. The tumor and the prostate were resected en bloc by retropubic radical prostatectomy, while the bladder and rectum were preserved. The surgical margin was negative and no relapse was noted six months postoperatively.
PubMed ID: 18203530
Appears in Collections:Vol.53 No.12

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