Annals of Coloproctology

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Inflammatory Myofibroblastic Tumor of the Retroperitoneum Including Chronic Granulomatous Inflammation Suggesting Tuberculosis: A Case Report: Younglim Kim, Ji Won Park, Sungwhan Kim, Kil-Yong Lee, Jeongmo Bae, Yoon Kyung Jeon, Ji Min Im, Seung-Bum Ryoo, Seung-Yong Jeong, Kyu Joo Park; Ann Coloproctol. 2019;35(5):285-288. Published online March 20, 2019; DOI: https://doi.org/10.3393/ac.2018.05.09

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Abstract PDF: An inflammatory myofibroblastic tumor (IMT) is a solid tumor of unknown etiology frequently affecting children and young adults and commonly affecting the lung or orbital region. We present a case involving a 41-year-old man who had an IMT combined with Mycobacterium tuberculosis infection in the retroperitoneum. He presented with only pain in the right lower abdomen without accompanying symptoms; a retroperitoneal mass was found on computed tomography. The tumor had invaded the end of the ileum and was attached to the omentum, so mass excision could not be performed. The tumor was completely excised surgically and had histological features diagnostic of an IMT. Histologic findings of the omentum were positive for Ziehl-Nielsen staining for acid-fast bacilli and for a positive polymerase chain reaction for M. tuberculosis. The patient had no apparent immune disorder. These findings made this case exceptional because IMTs, which are mostly due to atypical mycobacteria, have been found mainly in immunocompromised patients.

A Case of Rectal Cancer in a Patient with Neurofibromatosis Type 1: Se Heon Oh, Jai Hyuen Lee, Hwan Namgung; J Korean Soc Coloproctol. 2012;28(3):170-173. Published online June 30, 2012; DOI: https://doi.org/10.3393/jksc.2012.28.3.170

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A rectal cancer was found in a 67-year-old man with a history of neurofibromatosis type 1. A low anterior resection was performed, and he received concurrent chemoradiation for 6 months. Twelve months after the surgery, a tumor was found at the anastomotic site by positron emission tomography-computed tomography and colonoscopy and was mistaken as anastomotic site recurrence. The tumor was confirmed as an inflammatory myofibroblastic tumor through transanal excision.

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Life-threatening gastrointestinal bleeding in a case of neurofibromatosis 1 and gastrointestinal stromal tumour managed with surgical intervention as a case report
Vijayashree Gokhale, Sangram Mangudkar, Ponvijaya Yadav, Varun Lingineni, Satbir Pharande
SAGE Open Medical Case Reports.2024;[Epub] CrossRef

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