Japanese

The Macropathological Diagnosis of Depth of the Early Colorectal Cancer Yutaro Egashira 1 , Hiroshi Akutagawa 1 , Sadaharu Nouda 2 , Kazuki Kakimoto 2 , Toshihiko Okada 2 , Ken Kawakami 2 , Yosuke Abe 2 , Takuya Inoue 2 , Kazuhide Higuchi 2 , Yoshinobu Hirose 1 1The Department of Pathology, Osaka Medical College, Takatsuki, Japan 2The Second Department of Internal Medicine, Osaka Medical College, Takatsuki, Japan Keyword: 早期大腸癌 , T1大腸癌 , 大腸SM癌 , 深達度 , 肉眼病理 pp.641-652
Published Date 2015/5/24
DOI https://doi.org/10.11477/mf.1403200292
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 We examined the relationship between macroscopic findings and submucosal(SM)invasion depth in 363 pT1 colorectal cancer lesions(depressed type, 144 lesions; protruded type, 311 lesions). In cases of depressed-type pT1 colorectal cancers, significant macroscopic findings, suggestive of invasion of the SM layer, that were correlated with SM invasion depth were as follows: a tumor diameter of 1 cm or larger, a feeling of tension, appearance resembling type 2 cancer, tightening, table-like protrusions from the lesion, protrusion of SM tumor, deep depression, non-structure, strong reddening, and smooth depressed borders. On the other hand, a significant inverse correlation between irregular borders and SM invasion depth was observed, and significant macroscopic findings were suggestive of invasion of the shallow SM layer. In cases of protruded-type pT1 colorectal cancers, significant macroscopic findings, suggestive of invasion of the SM layer, that were correlated with SM invasion depth were as follows: a feeling of tension, tightening, non-structure, white coating, and strong reddening.


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

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