文献詳細
文献概要
特集 早期大腸癌2010 ノート 4.早期大腸癌の病理
大腸上皮性腫瘍における粘液形質発現の意義
著者: 八尾隆史1
所属機関: 1順天堂大学医学部人体病理病態学
ページ範囲:P.705 - P.709
文献購入ページに移動要旨 大腸癌は,胃腺窩上皮(MUC5AC/HGM),腸杯細胞(MUC2),小腸刷子縁(CD10)に対するマーカーを用いて大腸型,小腸型,胃型,混合型,分類不能型に分類可能である.そして,小腸型は高悪性度(静脈浸潤・肝転移が高頻度),大腸型は比較的低悪性度,混合型は粘液癌・絨毛腫瘍由来の癌・腸炎関連癌に高頻度,胃型は高度の浸潤性や低分化傾向を示し鋸歯状病変との関連のある癌,などの特徴があり,形質発現は組織像と対応して生物学的態度とも関連している.また,大腸腺腫においては組織型(管状,絨毛,鋸歯状)の違いにより形質発現は異なる.さらに管状腺腫においては隆起型と非隆起型でも異なる傾向があり,非隆起型管状腺腫は高率にCD10を発現することにより,高悪性度小腸型形質癌の前駆病変として注目すべきである.このように大腸上皮性腫瘍において,粘液形質発現の解析が今後の研究に応用されることが期待される.
参考文献
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