A case report of cholecystocolic fistula detected by colonoscopy

Masahiro Oshima, Kazusige Shibahara, Susumu Amaya, Masaru Kurokawa, Shingo Yagi, Kouzou Uozu, Hirosi Hasegawa, Takahiro Andou, Syuuji Inatuti, Yoshinobu Maeda

Research output: Contribution to journalArticle


A 74-year-old man was hospitalized because of abdominal pain and bloody stool. Laboratory data showed moderate increase in liver enzymes and CRP. Tumor marker, espesciary CA 19-9 was slightly increased. An abdominal CT examination on first admission showed gallbladder wall was swollen and 40 mm-sized cholecystolithiasis in it. There was no ascites. The ERCP and MRCP did not detect the cholecystocolic fistula. Colonoscopic examination showed there was a 4 mm-sized fistula in the hepatic flexure of the colon. Infected bile colored white exited from it. Biopsy showed elevated periphery was no malignancy. Cholecystectomy and partial colectomy were done. Macroscopic findings showed the 4 mm-sized fistula was observed both at the bottom of gallbladder and transverse colon, and sound could pass through it. Histopathologically, R-A sinus was disseminated in gallbladder mucosa, The colonic fistula had granulation tissue. Both gallbladder and colon didn't have a malignant type. Postoperative complications were not occurred, on Postoperative day 12, he was discharged. We reported the cholecystocolic fistula detected by colonoscopy.

Original languageEnglish
Pages (from-to)50-54
Number of pages5
JournalEndoscopic Forum for Digestive Disease
Issue number1
Publication statusPublished - Jun 2005
Externally publishedYes


  • Cholecystocolic fistula
  • Colonoscopy
  • Infectional bile

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Gastroenterology

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