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J Minim Access Surg. 2018 Sep 3. doi: 10.4103/jmas.JMAS_101_18. [Epub ahead of print]

Laparoscopic evaluation and resection of type-II choledochal cyst arising from right hepatic duct mimicking gall bladder duplication.

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Department of Surgical Gastroenterology, Santokba Institute of Digestive Surgical Sciences, Santokba Durlabhji Memorial Hospital Cum Research Institute, Jaipur, Rajasthan, India.


A Type II choledochal cyst arising from the right hepatic duct may mimic a gall bladder duplication. Both are rare and may not get differentiated before operative exploration. While a magnetic resonance cholangiopancreatography (MRCP) may be helpful, laparoscopy may be the final tool for evaluation and effective surgical treatment. We report such a case of a 22-year-old male whose MRCP was suggestive of a cystic lesion in the gall bladder fossa and was taken up for surgery with a pre-operative diagnosis of gall bladder duplication with a single cystic duct. He underwent elective laparoscopic evaluation, mobilisation, discerning of anatomy and diagnosis, excision of cyst and concomitant cholecystectomy. This case highlights that these two rare entities can mimic each other on imaging; however, a laparoscopic approach serves the dual purpose of diagnosing and treating this unique pathoanatomical entity.


Biliary anomalies; choledochal cyst; gall bladder duplication; laparoscopic; surgery

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