臨牀消化器内科 Vol.29 No.11(1-5)


特集名 PSCとPBC ― 診断と治療の進歩
題名 原発性硬化性胆管炎(PSC)(5) PSCと胆道癌
発刊年月 2014年 10月
著者 平野 賢二 東京大学医学部消化器内科
著者 渡邊 健雄 東京大学医学部消化器内科
著者 水野 卓 東京大学医学部消化器内科
著者 多田 稔 東京大学医学部消化器内科
著者 伊佐山 浩通 東京大学医学部消化器内科
著者 小池 和彦 東京大学医学部消化器内科
【 要旨 】 原発性硬化性胆管炎(PSC)は肝内・肝外胆管癌,胆囊癌の危険因子であることが知られている.自験例のPSC54例からの胆道癌は9例(胆管癌7例,胆囊癌2例)であり,PSC発症から胆道癌診断までの平均期間は61カ月(2〜152カ月),胆道癌発症時の平均年齢は43歳(22〜63歳)であった.われわれの検討では炎症性腸疾患の合併とIgE正常が胆道癌発生の危険因子であった.予後が良いとはいえず,切除例も4例あるが,全例再発しており,生存例はいない.生存期間は平均17カ月(5〜41カ月)であった.胆道癌発生予測にCA19-9の測定は有用ではあるが,診断の決め手になるほどではなく,参考程度の所見として捉えたほうがよい.
Theme PSC and PBC -- Recent Progress in Diagnosis and Treatment
Title Primary Sclerosing Cholangitis and Biliary Carcinoma
Author Kenji Hirano Department of Gastroenterology, Faculty of Medicine, University of Tokyo
Author Takeo Watanabe Department of Gastroenterology, Faculty of Medicine, University of Tokyo
Author Suguru Mizuno Department of Gastroenterology, Faculty of Medicine, University of Tokyo
Author Minoru Tada Department of Gastroenterology, Faculty of Medicine, University of Tokyo
Author Hiroyuki Isayama Department of Gastroenterology, Faculty of Medicine, University of Tokyo
Author Kazuhiko Koike Department of Gastroenterology, Faculty of Medicine, University of Tokyo
[ Summary ] It is known that primary sclerosing cholangitis (PSC) can be a risk factor for biliary carcinoma including extra- and intrahepatic cholangiocarcinoma (CCA) along with gallbladder carcinoma. In our series, biliary carcinoma occurred in 9 patients (CCA in 7 and gallbladder carcinoma in 2) during follow-ups on 54 patients. The mean period between the occurrence of PSC and biliary carcinoma was 61 months (2-152 months). The mean onset age was 43 years (22-63 years). In our analysis, association with inflammatory bowel disease and normal IgE levels were significant risk factors for biliary carcinoma in cases of PSC. The prognosis was generally poor. All 9 patients have already died. The mean survival period was 17 months (5-41 months). Four patients received surgical treatment, but recurrence was observed later in all cases. Measuring CA19-9 may be useful in the surveillance of biliary carcinoma, although results are not always conclusive.
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