A Case of Intussusception Due to Juvenile Colorectal Cancer with Suspected Lynch Syndrome.

Journal: Gan To Kagaku Ryoho. Cancer & Chemotherapy

A 20-year-old man presenting with abdominal pain and distension from 3 months ago was admitted to our hospital. Colonoscopy showed a type 1 tumor in the transverse colon. The biopsy was moderately differentiated adenocarcinoma. Abdominal enhanced CT revealed intussusception associated with the tumor. After non-invasive reduction of intussusception was performed, a full-body examination revealed no findings suggestive of distant metastases or other Lynch syndrome- related tumors. We performed laparoscopic right hemicolectomy. Lynch syndrome was suspected based on his family history, MMR protein immunohistochemistry and MSI-High, but genetic testing was rejected due to cost reasons. If young people have chronic abdominal symptoms and a family history of suspected hereditary colorectal cancer, a close examination of colon cancer should be performed.

Reo Omachi, asatsugu Kojima, oru Miyake, omoyuki Ueki, iroya Iida, suyoshi Yamaguchi, en Ishikawa, achiko Kaida, atsushi Takebayashi, iromitsu Maehira, omoharu Shimizu, asaji Tani

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