胃と腸51巻7号

2016年06月発行

今月の主題 新しい小腸・大腸画像診断─現状と将来展望

主題

大腸CT検査─腫瘍性疾患を中心に

著者： 永田浩一¹² 高林健¹ 安田貴明¹ 金澤英紀¹ 松田尚久¹³ 斎藤博²

所属機関： ¹国立がん研究センター社会と健康研究センター検診開発研究部 ²国立がん研究センター社会と健康研究センター検診研究部 ³国立がん研究センター中央病院検診センター/内視鏡科

ページ範囲：P.881 - P.889

文献概要

要旨●大腸CT検査は大腸腫瘍性病変の検出に優れ，その有用性は，①腸管前処置の軽減，②短い検査時間，③鎮静剤・鎮痙剤が不要，④検査手技の容易さ，⑤苦痛が少ない，⑥偶発症がまれ，⑦少ない人員で検査の実施が可能ということである．一方，①表面型病変の検出精度，②治療はできない，③医療被曝，④読影医の未整備といった課題がある．将来展望として，大腸CT検査は任意型検診や精密検査で大腸内視鏡検査の実施が困難な場合に，大腸内視鏡検査を補完する第一選択となるだろう．しかし，大腸CT検査を活用するためには，精度検証に裏打ちされた適切な検査手技や読影方法に基づいた実施などの標準化が必須である．

参考文献

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