• Kiyoyuki Kobayashi, Hideki Kobara, Tomohiro Ougi, Yuzuru Akaiwa, Takako Nomura, Maki Ougi, Kayo Ishikawa, Masafumi Ono, Hideki Kamada, and Tsutomu Masaki.
• Division of Innovative Medicine for Hepatobiliary and Pancreatology, Faculty of Medicine, Kagawa University, Kagawa, Japan.
• Medicine (Baltimore). 2022 Jul 22; 101 (29): e29680e29680.

BackgroundCholecystocolic fistula (CCF) is a known but rare complication of cholelithiasis. Treatment for CCF is generally surgical. As the number of elderly patients has increased in recent years, many cases require non-surgical treatment; therefore, endoscopic treatment has gained importance.Patient Concerns And DiagnosisAn 87-year-old woman presented with impaired consciousness and symptoms of anorexia. Computed tomography showed cholecystitis and a fistula between the gallbladder and transverse colon. Colonoscopy revealed a CCF. The condition was diagnosed as CCF caused by acute cholecystitis.Interventions And OutcomesThe patient declined surgery due to her age. Endoscopic fistula closure was performed using a through-the-scope clip after endoscopic naso-gallbladder drainage. Successful closure of the fistula resulted in improvement of cholecystitis and anorexia. The patient was discharged after one month. It has been more than 18 months since the procedure, there has been no recurrence.ConclusionThis report on successful endoscopic closure of a CCF indicates that it may be useful for patients who decline surgery.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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