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Title: 膀胱Inflammatory myofibroblastic tumor の1例
Other Titles: A Case of Inflammatory Myofibroblastic Tumor of Urinary Bladder
Authors: 田中, 建  KAKEN_name
池田, 篤史  KAKEN_name
宮川, 友明  KAKEN_name
小峯, 学  KAKEN_name
堤, 雅一  KAKEN_name
石川, 悟  KAKEN_name
河合, 弘二  KAKEN_name
西山, 博之  KAKEN_name
Author's alias: Tanaka, Ken
Ikeda, Atsushi
Miyakawa, Tomoaki
Komine, Manabu
Tsutsumi, Masakazu
Ishikawa, Satoru
Kawai, Koji
Nishiyama, Hiroyuki
Keywords: Bladder tumor
Inflammatory myofibroblastic tumor
Issue Date: 30-Apr-2016
Publisher: 泌尿器科紀要刊行会
Journal title: 泌尿器科紀要 = Acta urologica Japonica
Volume: 62
Issue: 4
Start page: 201
End page: 204
Abstract: A 61-year-old man presenting with voiding pain was diagnosed with a bladder tumor by ultrasound in another hospital, and was subsequently referred to our hospital. Cystoscopy showed a nodular tumor and surrounding edematous mucosa in the right wall of the bladder. Initially, we suspected bladder invasion of gastrointestinal malignancy, but abdominal computed tomography, magnetic resonance imaging, and a series of tumor marker tests revealed no abonormalities. We performed transurethral resection of the bladder tumor under the clinical diagnosis of a submucosal tumor originating from the bladder wall. Histopathological examination revealed spindle cell proliferation, which was positively stained with anti-anaplastic lymphoma kinase (ALK) antibody. Based on the findings, the diagnosis of an inflammatory myofibroblastic tumor (IMT) was made. Therefore, we performed partial cystectomy to reduce the risk of local recurrence. The pathological diagnosis was IMT, and the surgical margins were negative. Bladder IMT is a rare disease, and surgical resection is the only recommended treatment. In the literature, if completely resected, the prognosis of patients with bladder IMT is excellent. Also, in the present case, no recurrence has been detected for over 6 months.
Rights: 許諾条件により本文は2017/05/01に公開
PubMed ID: 27217015
Appears in Collections:Vol.62 No.4

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