Abstract

症例は70歳代の男性.膀胱癌および肺転移に対して術前化学療法を施行後,経尿道的膀胱腫瘍切除術を施行した.その後外来にて経過観察中,手術から約8カ月後の腹部CT検査にて左総腸骨動脈周囲リンパ節の腫大,および上行結腸に腫瘤陰影が認められた.さらに大腸内視鏡検査にて上行結腸に1型の腫瘍を認めた.上行結腸腫瘍に対し,結腸右半切除術を行い,同時に左総腸骨動脈周囲のリンパ節を摘出した.病理組織検査の結果,上行結腸の腫瘍,左総腸骨動脈周囲リンパ節ともに膀胱癌の転移と診断された.転移性大腸癌は非常に稀であり,若干の文献的考察を加えて報告する.

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