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      Radical cystectomy for management of inflammatory myofibroblastic tumor of the urinary bladder: A rare case report

      case-report

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          Abstract

          Inflammatory myofibroblastic tumor (IMT) of the bladder also known as pseudosarcomatous myofibroblastic proliferation is a rare lesion in the genitourinary tract was first described in 1980 by Roth. We herein report a case of urinary bladder IMT in a 42-year-old female patient presented with gross hematuria. The hematuria was difficult to control and radical treatment has been done. Monitoring for recurrence is strongly advisable.

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          Inflammatory myofibroblastic tumors of the urinary bladder: a systematic review.

          Jeremy Teoh, Ning-Hong Chan, Ho-Yuen Cheung … (2014)
          We systemically reviewed the literature on inflammatory myofibroblastic tumors (IMTs) of the urinary bladder and compared between anaplastic lymphoma kinase (ALK)-positive and ALK-negative IMTs. An extensive search of the literature was performed in Medline and Web of Science using the following terms: "inflammatory myofibrolastic tumor," "inflammatory pseudotumor," and "bladder." A manual search was also performed using the web-based search engine Google Scholar. Reference lists of the retrieved articles were reviewed for other relevant studies. Patients' and disease characteristics of each individual case were reviewed. Further analyses were performed to compare between ALK-positive and ALK-negative IMTs. Forty-one studies were identified, and 182 patients were included for review and subsequent analyses. Of the IMTs, 65% were ALK-positive. Local tumor recurrence rate was 4%, and no cases of distant metastases have been reported. Compared with ALK-negative IMTs, ALK-positive IMTs had a female predilection with a sex ratio (male:female) of 1:1.67 (P = .048). ALK-positive IMTs also appeared to occur in younger patients (P = .072). No significant differences were noted in terms of their clinical presentations and histologic features. On immunohistochemical staining, ALK-positive IMTs had more positive results for desmin (P = .042) and p53 (P = .05), and more negative results for clusterin (P = .003). In summary, ALK-positive IMTs of the urinary bladder had a female predilection, appeared to occur more frequently in younger patients, and had different immunohistochemical staining patterns when compared with ALK-negative IMTs. Regardless of its ALK status, IMT of the urinary bladder has a good prognosis after surgical resection.
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            Inflammatory pseudotumor of the urinary bladder

            E Rosado, J. Pereira, F. Corbusier … (2015)
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              Inflammatory Myofibroblastic Tumor in the Bladder: A Case Report

              Takuya Kondo, Takashi Kawahara, Sawako Chiba … (2016)
              A 36-year-old male was referred to our department for further examination of asymptomatic gross hematuria emanating from a bladder tumor. Cystoscopy revealed a broad-based tumor 40 mm in diameter. Urinary cytology was negative. Preoperative magnetic resonance imaging suggested a muscle invasive tumor. Transurethral resection was performed, and the pathological findings revealed an inflammatory myofibroblastic tumor. We herein report a rare case of bladder inflammatory myofibroblastic tumor.
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                Author and article information

                Contributors
                Farzin Valizadeh
                Journal
                Journal ID (nlm-ta): Urol Case Rep
                Journal ID (iso-abbrev): Urol Case Rep
                Title: Urology Case Reports
                Publisher: Elsevier
                ISSN (Electronic): 2214-4420
                Publication date PMC-release: 14 August 2019
                Publication date Collection: November 2019
                Publication date (Electronic): 14 August 2019
                Volume: 27
                Electronic Location Identifier: 100997
                Affiliations
                [a ]Uro-Oncology Research Center, Tehran University of Medical Sciences, Iran
                [b ]Anatomical and Clinical Pathology, Cancer Institute, Immam Khomeini Hospital, Tehran Universisty of Medical Sciences, Iran
                Author notes
                [∗ ]Corresponding author. Immam Khomeni Hospital, Uro-Oncology Research Center, Tehran University of Medical Sciences, Keshavarz Blvd, Tehran, Iran. farzin259@ 123456gmail.com samomeni@ 123456sina.tums.ac.ir
                Article
                Publisher ID: S2214-4420(19)30278-5 Publisher ID: 100997
                DOI: 10.1016/j.eucr.2019.100997
                PMC ID: 6710373
                PubMed ID: 31463199
                SO-VID: e603388b-a4a8-4437-9f47-c57f799c4194
                Copyright © © 2019 The Authors
                License:

                This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

                History
                Date received : 20 July 2019
                Date revision received : 9 August 2019
                Date accepted : 13 August 2019
                Categories
                Subject: Oncology

                Keywords: inflammatory myofibroblastic tumor,urinary bladder
                Data availability:
                Keywords: inflammatory myofibroblastic tumor, urinary bladder

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