A case of superficial bile duct carcinoma showing extensive intraductal spread without bile duct stenosis, diagnosed by intraductal ultrasonography

DOI 4 Citations 39 References
  • TAKASAWA Osamu
    Department of Gastroenterology, Sendai City Medical Center
  • KOBAYASHI Go
    Department of Gastroenterology, Sendai City Medical Center
  • NODA Yutaka
    Department of Gastroenterology, Sendai City Medical Center
  • ITO Kei
    Department of Gastroenterology, Sendai City Medical Center
  • HORAGUCHI Jun
    Department of Gastroenterology, Sendai City Medical Center
  • FUJITA Naotaka
    Department of Gastroenterology, Sendai City Medical Center
  • KOBARI Masao
    Department of Gastroenterological Surgery, Sendai City Medical Center

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  • 胆管狭窄をともなわず顆粒状の広範囲進展を呈した早期胆管癌の１例

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Abstract

We report a case of superficial bile duct carcinoma showing extensive intraductal spread without dilatation of the bile duct in which diagnosis was established preoperatively by transpapillary forceps biopsy and intraductal ultrasonography. A 78-year-old man was given a diagnosis of acute cholecystitis, and percutaneous transhepatic gallbladder drainage (PTGBD) was performed. Cholangiography via the PTGBD tube revealed a tiny irregularity in the hilar bile duct. Transpapillary intraductal ultrasonography showed that this irregularity extended from the intrahepatic bile duct to the middle of the bile duct. Bile duct biopsy revealed malignancy, and thus bile duct resection and hepaticojejunostomy were performed. Hisological examination verified a well-differentiated adenocarcinoma confined to the epithelium and the fibromuscular layer.<br>

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