Rhabdoid featureを呈したS状結腸未分化癌の1例 A case report of undifferentiated carcinoma of the sigmoid colon with rhabdoid features

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45歳女性.持続する腹痛にて当院入院となり,精査の結果,S状結腸に全周狭窄をともなう4型病変が認められた.鉗子生検と腹水細胞診により低分化型癌と診断され,外科的切除が行われた.術後,急速な腹水増加と全身状態の悪化により,症状出現後6週間で死亡した.剖検を含む組織学的検討において,本症例は予後不良で高悪性度病変である極めてまれな,rhabdoid featureを呈する大腸未分化癌であることが確認された.

A 45-year-old woman with persistent abdominal pain was admitted to our hospital. Detailed examination revealed a type 4 lesion with circumferential narrowing, which was diagnosed as a poorly differentiated carcinoma following forceps biopsy and ascitic fluid cytology. Although the lesion was surgically resected, the ascites increased rapidly, and her general condition deteriorated in the postoperative period. She died 6 weeks after the appearance of her symptoms. Autopsy and histological examination confirmed a very rare undifferentiated colon carcinoma with rhabdoid features, which is a high-grade malignant lesion associated with a poor prognosis.

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  • 日本消化機病學會雜誌. 乙

    日本消化機病學會雜誌. 乙 111(7), 1384-1390, 2014

    The Japanese Society of Gastroenterology

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