{"title":"Multiple Small Bowel Gastrointestinal Stromal Tumors Associated with Neurofibromatosis Type 1 that Were Not Detected by Endoscopy: A Case Report.","authors":"Satomi Saito, Teppei Omori, Shun Murasugi, Maria Yonezawa, Yukiko Takayama, Takeshi Ohki, Hiromi Onizuka, Yoji Nagashima, Katsutoshi Tokushige","doi":"10.1159/000529340","DOIUrl":null,"url":null,"abstract":"<p><p>We treated a 39-year-old Japanese man who was admitted for an abdominal mass. He had had neurofibroma-like skin lesions since childhood. Computed tomography and endoscopic ultrasound results were consistent with a tumor in the small intestine. Although the tumor was undetectable by single-balloon endoscopy, the patient's background and imaging results led us to suspect a gastrointestinal stromal tumor (GIST). He also met the diagnostic criteria for neurofibroma type 1 (NF1). We performed a surgical removal of the tumor, and the biopsy results led to a definitive diagnosis of GIST. Small bowel GISTs should be considered in cases of NF1.</p>","PeriodicalId":9614,"journal":{"name":"Case Reports in Gastroenterology","volume":"17 1","pages":"160-167"},"PeriodicalIF":0.5000,"publicationDate":"2023-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/47/7f/crg-2022-0017-0001-529340.PMC9996247.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Case Reports in Gastroenterology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1159/000529340","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2023/1/1 0:00:00","PubModel":"eCollection","JCR":"Q4","JCRName":"GASTROENTEROLOGY & HEPATOLOGY","Score":null,"Total":0}
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Abstract
We treated a 39-year-old Japanese man who was admitted for an abdominal mass. He had had neurofibroma-like skin lesions since childhood. Computed tomography and endoscopic ultrasound results were consistent with a tumor in the small intestine. Although the tumor was undetectable by single-balloon endoscopy, the patient's background and imaging results led us to suspect a gastrointestinal stromal tumor (GIST). He also met the diagnostic criteria for neurofibroma type 1 (NF1). We performed a surgical removal of the tumor, and the biopsy results led to a definitive diagnosis of GIST. Small bowel GISTs should be considered in cases of NF1.
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