publication . Article . 2015

Early stage signet ring cell carcinoma of the colon examined by magnifying endoscopy with narrow-band imaging: a case report

Keiichi Hashiguchi;
Open Access English
  • Published: 24 Jul 2015 Journal: BMC Gastroenterology, volume 15, issue 1 (issn: 1471-230X, Copyright policy)
  • Publisher: Springer Nature
Background: Signet ring cell carcinoma of the colon and rectum is rare, and most cases are detected at an advanced stage. We present a case of primary signet ring cell carcinoma detected at an early stage by magnifying endoscopy with narrow-band imaging (NBI) and crystal violet staining. Case presentation: A 73-year-old man visited our hospital for screening colonoscopy. Six years previously, he had undergone endoscopic submucosal dissection (ESD) for early gastric cancer. The pathological diagnosis was a well-differentiated adenocarcinoma, invading into the mucosa without lymphovascular invasion. Colonoscopy revealed a flat elevated lesion with a slightly depre...
free text keywords: Gastroenterology, Colon cancer, Narrow band imaging, Pit pattern, Signet ring cell carcinoma, Case Report, General Medicine
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