文献詳細
文献概要
今月の主題 咽頭表在癌の内視鏡診断と治療 主題
咽頭表在性扁平上皮癌に対する病理組織学的診断の課題
著者: 藤井誠志1
所属機関: 1横浜市立大学大学院医学研究科・医学部分子病理学
ページ範囲:P.1391 - P.1402
文献購入ページに移動要旨●扁平上皮乳頭層の毛細血管(IPCL)を描出する狭帯域内視鏡検査(NBI)が利用されるようになり,頭頸部領域において早期の表在性扁平上皮癌が検出されるようになって久しい.発声や嚥下といった生理機能を保持する治療は多大なる恩恵をもたらす一方で,完全切除がなされても低頻度ではあるもののリンパ節転移を来す症例も存在する.解剖学的に粘膜筋板のない頭頸部領域では,食道をはじめとした粘膜筋板が存在する,壁構造を細分類することが可能な臓器のように層構造別にリンパ節転移の頻度を提示することはできない.代用として,tumor thicknessが用いられている.加えて,「TNM分類 第8版」では,中咽頭癌および原発不明癌についてはHPV関連か否かについての判定が病理組織学的診断に求められている.治療指針の決定に関係する咽頭における病理組織学的診断についての課題を概説する.
参考文献
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