胃と腸45巻5号

2010年04月発行

特集 早期大腸癌2010 主題 2．早期大腸癌の肉眼分類

2）IIc病変とは

著者： 鶴田修¹² 河野弘志¹² 長谷川申¹² 前山泰彦¹² 有田桂子¹² 光山慶一¹² 佐田通夫¹²

所属機関： ¹久留米大学医学部消化器病センター ²久留米大学医学部内科学講座消化器内科部門

ページ範囲：P.613 - P.618

要旨　大腸IIc病変の組織学的定義は，絶対陥凹（周辺正常粘膜の高さより低い陥凹）の浅い陥凹性腫瘍（adenoma，carcinoma）であり，相対陥凹（周辺正常粘膜の高さより高い陥凹）の浅い陥凹性腫瘍（adenoma，carcinoma）と区別する必要がある．内視鏡的には絶対陥凹と推測される境界明瞭な陥凹を有していればIIcまたはIIc＋IIa，相対陥凹と推測される陥凹を有していればIIa＋IIc病変と表記するのが一般的である．

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