An adult choledochal cyst--the magnetic resonance cholangiopancreatography findings: report of a case.
ABSTRACT We herein report an unusual adult patient with a congenital choledochal cyst. A 28-year-old woman presented with recurrent episodes of abdominal pain in the right upper quadrant. Abdominal ultrasonography showed fusiform dilatation of the common bile duct without any obstruction. Endoscopic retrograde cholangiopancreatography (ERCP) and magnetic resonance cholangiopancreatography (MRCP) were performed to make a precise diagnosis. No abnormal pancreatobiliary junction was detected on ERCP. The MRCP images more clearly defined the type and extent of the choledochal cyst as observed at surgery. The cyst and gallbladder were excised and a Roux-en-Y hepaticojejunostomy was performed. We also reviewed the relevant English literature and concluded that MRCP offers diagnostic information that is equivalent or superior to that of ERCP for the evaluation of type I choledochal cysts in adults and because this modality is noninvasive, it should therefore be the preferred imaging technique for an examination of adult patients with choledochal cysts.
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ABSTRACT: Cystic duct cysts are a rare congenital anomaly. While the other bile duct cysts (choledochus and the intrahepatic bile ducts) are classified according to the classification described by Tadoni, there is no classification method described by the cystic duct cysts, although it is claimed that the cystic duct cysts may constitute a new "Type 6" category. Only a limited number of patients with cystic duct cysts have been reported in the literature. The diagnosis is usually made in the neonatal period or during childhood. The clinical symptoms are nonspecific and usually include pain in the right upper quadrant and jaundice. The condition may also present with biliary colic, cholangitis, cholelithiasis, or pancreatitis. In our case, the abdominal ultrasonography (US) performed on a 6-year-old female patient who presented with pain in the right upper quadrant pointed out an anechoic cyst at the neck of the gall bladder. Based on the magnetic resonance cholangiopancreatography (MRCP) results, a cystic dilatation was diagnosed in the cystic duct. The aim of this case-report presentation was to discuss the US and MRCP findings of the cystic dilatation of cystic duct, which is an extremely rare condition, in the light of the literature information.06/2014; 2014:291071. DOI:10.1155/2014/291071