Clinical pathological studies on colo-rectal cancer with a diameter of 1.5cm or less.

概要

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This study was undertaken to investigate the average rate of carcinomatous occupation in 99 colorectal cancers with a diameter of 1.5cm or less of each macroscopic form ("pedunculated", "tumor", plaque-like"and"central depression"type).The results were follows; The ratio carcinomatous occupation was low in"pedunculated"type in which"m"cancer was high in frequence. This ratio was high in"tumor"type a diameter of 1.0cm or more in which"sm"cancer was high in frequence, showing that"tumor"type tend to invade from mucosal to submucosal layer. This ratio were high in"plaque-like"and"central depression"type in which"sm"and"pm"cancer were high in frequence, indicating that"plaque-like"and"central depression"type had little relation to adenoma.
財団法人日本消化器病学会の論文