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- A Case of Giant Colonic Muco-submucosal Elongated Polyps Associated with Intussusception
- Joo Heon Kim, Seung Yun Lee, Je Ho Jang, Hyun Young Han, Dong Wook Kang
- J Pathol Transl Med. 2016;50(6):474-478. Published online May 23, 2016
- DOI: https://doi.org/10.4132/jptm.2016.04.27
- 8,115 View
- 117 Download
- 5 Web of Science
- 5 Crossref
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Abstract
PDF - Colonic muco-submucosal elongated polyp (CMSEP), a newly categorized non-neoplastic colorectal polyp, is a pedunculated and elongated polyp composed of normal mucosal and submucosal layers without any proper muscle layer. We herein report a giant variant of CMSEP associated with intussusception in the rectosigmoid colon, with a review of the literature. A 48-year-old woman underwent a laparoscopic low anterior resection due to multiple large submucosal polypoid masses associated with intussusception. Grossly, the colonic masses were multiple pedunculated polyps with a long stalk and branches ranging in size from a few millimeters to 14.0 cm in length. Microscopically, there was no evidence of hyperplasia, atypia, or active inflammation in the mucosa. The submucosal layers were composed of edematous and fibrotic stroma with fat tissue, dilated vessels, and lymphoid follicles.
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Citations
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- Multiple enteric muco-submucosal elongated polyps causing intussusception
Atsuki Taniguchi, Izuru Endo, Takeyoshi Nishiyama, Nobuyuki Watanabe, Osamu Yoshida, Hiroaki Asano, Masatoshi Kubo, Tetsunobu Udaka
Clinical Journal of Gastroenterology.2024; 17(1): 41. CrossRef - Jejunal intussusception and perforation due to enteric muco-submucosal elongated polyp: a case report and literature review
Ryosuke Kikuchi, Shigenobu Emoto, Hiroaki Nozawa, Kazuhito Sasaki, Koji Murono, Shinya Abe, Hirofumi Sonoda, Aya Shinozaki-Ushiku, Soichiro Ishihara
Surgical Case Reports.2023;[Epub] CrossRef - A stalk with no polyp—A muco‐submucosal elongated polyp in the duodenum
Neil O’Morain, Ciaran McCloskey, Sinead Flanagan, Glen Doherty
United European Gastroenterology Journal.2023; 11(4): 392. CrossRef - Duodenal Worm-Like Polyp
Pan Pan, Guoshan Zhang, Xiao Cui, Liang Liu
Digestive Diseases and Sciences.2023; 68(12): 4275. CrossRef - Colonic Mucosubmucosal Elongated Polyp in the Sigmoid Colon on Surveillance Colonoscopy
Xiaowen Fan, Melissa Hershman, Gabriel Levi, Ilan Weisberg
ACG Case Reports Journal.2019; 6(6): e00110. CrossRef
- Multiple enteric muco-submucosal elongated polyps causing intussusception
Case Report
- Sarcomatoid Carcinoma of the Pancreas: A Case Report.
- Kyung Hee Kim, Dae Young Kang, Min Koo Lee, Hyeon Woong Yang, Hyun Young Han
- Korean J Pathol. 2006;40(4):306-310.
- 1,725 View
- 29 Download
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Abstract
PDF
- We report here on an unusual case of a 73-year-old Korean female with sarcomatoid carcinoma. This tumor was composed of pancreatic ductal adenocarcinoma and a malignant fibrous histiocytoma-like stroma. The CT imaging revealed a multiseptated heterogenous hypodense mass that was 15 cm in size. The mass was located in the body and tail of the pancreas, spleen and gastrosplenic area. The pathologic examination showed that the carcinomatous component was negative for vimentin, and the sarcomatous component was positive for vimentin and CD 68. The ultrastructural examination showed that both the carcinomatous and sarcomatous components had desmosomes at the cell-cell contact sites. The patient refused postoperative adjuvant chemotherapy and she died of cachexia with generalized tumor extension about 3 months later. This report presents special data that can clarify the clinicopathological features and pathogenesis of this rare neoplasm.
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