Japanese

Diagnostic Ability of Conventional Endoscopy in Colorectal Neoplasms Sumio Tsuda 1 , Yosuke Kikuchi 1 1Department of Gastroenterology, Chikushi Hospital Fukuoka University Keyword: 大腸腫瘍性病変 , 早期大腸癌 , 大腸内視鏡診断 , 通常内視鏡検査 pp.1623-1633
Published Date 1999/12/25
DOI https://doi.org/10.11477/mf.1403102892
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 Diagnostic ability of the grade of dysphasia and depth of invasion were investigated in a retrospective study using the endoscopic picture of conventional endoscopy. The elevated sessile type (Ⅰs) and superficial type (Ⅱ) of adenomas and early cancers were included in this study. The lesions were classified as being with or without central depression. Therefore, Ⅰs, Ⅰs + Ⅱa, Ⅱa type lesions were classified into a central depression (-) group and Ⅰs + Ⅱc, Ⅱa + Ⅱc, Ⅱc + Ⅱa type were classified into a central depression (+) group. Histopathologically, mild or moderate dysplasia were classified into group A, severe dysplasia, intramucosal cancer, or sm1 cancer were classified into group B, and sm2 or sm3 cancer were classified into group C.

 The results were as follows. The rate of correct diagnosis in the central depression (-) group was 94% (97/103 lesions) in the histopathologic group A,77% (37/48 lesions) in group B, and 92% (11/12 lesions) in group C. And the rate in the central depression (+) group was 96% (51/53 lesions) in group A,92% (12/13 lesions) in group B, and 100% (22/22 lesions) in group C.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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