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한지은 ( Ji Eun Han ),노명환 ( Myung Hwan Noh ),김우재 ( Woo Jae Kim ),김동균 ( Dong Kyun Kim ),남화성 ( Hwa Seung Nam ),노미숙 ( Mee Sook Noh ),김관우 ( Guan Woo Kim ) 대한소화기학회 2016 대한소화기학회지 Vol.67 No.1
Congenital cysts of the gallbladder are extremely rare, hence only a few ciliated foregut cysts of gallbladder have been reported.We report a case of a 20-year-old woman presenting with mild right upper quadrant abdominal discomfort, with normal levels of serum bilirubin and liver function tests. Abdominal ultrasonography revealed a well-defined cystic mass measured about 2 cm attached to the neck of gallbladder, with internal echogenic debris suggesting a complicated cyst, such as a hemorrhagic cyst. Abdominal computed tomography and magnetic resonance cholangiopancreatography revealed similar findings.Laparoscopic cholecystectomy showed a slightly distended gallbladder. The size of cyst on the neck was 1.6×1.2 cm, and it contained mucosa lined by ciliated pseudostratified columnar epithelium and underlying smooth muscle layers. Histopathology identified a ciliated foregut cyst of gallbladder.(Korean J Gastroenterol 2016;67:49-53)