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Endoscopic discrimination of sessile serrated adenomas from other serrated lesions.
MedLine Citation:
PMID:  22866127     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Sessile serrated adenoma (SSA) is a proposed precursor of colorectal carcinogenesis. This study aimed to analyze the potential of endoscopy to discriminate SSA from other serrated lesions, specifically traditional serrated adenoma (TSA) and hyperplastic polyp (HP). Of 145 serrated lesions, 111 sessile serrated lesions including 32 TSAs, 25 SSAs and 54 HPs were analyzed for size, color, location and morphologic features using conventional endoscopy and magnifying chromoendoscopy. SSA was preferentially located in the right colon, whereas TSA and HP were located in the left colon. The sizes of SSA and TSA were larger than those of HP. The lesion color was indistinguishable among TSA, SSA and HP. Macroscopically, a pinecone-like or two-tier raised appearance were found more frequently in TSA than in SAA and HP. Under magnified chromoendoscopic observation, the stellar III(L) pit pattern and fern-like appearance were observed more frequently in TSA than in SAA and HP. In conclusion, endoscopic discrimination between SSA and other sessile serrated lesions based on morphological features was difficult. However, size and location of the lesions facilitated diagnosis.
Authors:
Shin Hasegawa; Keiichi Mitsuyama; Hiroshi Kawano; Keiko Arita; Yasuhiko Maeyama; Yoshito Akagi; Yasutomo Watanabe; Yoshinobu Okabe; Osamu Tsuruta; Michio Sata
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-05
Journal Detail:
Title:  Oncology letters     Volume:  2     ISSN:  1792-1082     ISO Abbreviation:  Oncol Lett     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2012-8-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101531236     Medline TA:  Oncol Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  785-789     Citation Subset:  -    
Affiliation:
Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Kurume 830-0011, Japan.
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