Summary: Two patients with duplicated cystic ducts are reported. This is a rare and poorly reported anomaly. The hazards of misdiagnosis are discussed.
Case reportsCase 1: A 56-year-old man was admitted with dyspeptic symptoms and epigastric pain radiating through to the back. An oral cholecystogram revealed gallstones. At laparotomy he was found to have an accessory cystic duct ( Figure 1). The cystic duct was cannulated distal to the accessory duct but the latter was not opacified at operative cholangiography. The cystic duct was ligated at the site of cannulation to ensure that bile drainage from the liver was not compromised. Postoperatively he made an uneventful recovery. The gallbladder was anatomically normal with no septum. Case 2: A 55-year-old woman was admitted for elective cholecystectomy with a history of epigastric pain radiating through to the back. A plain X-ray of the abdomen revealed multiple gallstones which were confirmed at laparotomy. The operative cholangiogram is shown in Figure 2. In spite of ligating the cystic duct, dye filled the gallbladder through a second cystic duct which was shown to be draining into the right hepatic duct. This was subsequently dissected, identified and cannulated. Both ducts were then ligated. The patient made an uneventful postoperative recovery. Macroscopically there was no duplication of the gallbladder.