Role of magnetic resonance cholangiopancreatography in diagnosing choledochal cysts: Case series and review

Table 1 Demographics, physical exam, abdominal ultrasound, computed tomography scan, magnetic resonance cholangiopancreatography, endoscopic retrograde cholangiopancreatography and intraoperative findings for each subject

Patient/age (yr)/sex	Abdominal pain RUQ/epigastric	Ultrasound	CT abdomen	MRCP	Intraoperative/ERCP results
1/16/F	Yes	Intrahepatic biliary dilatation, cystic mass from porta hepatis to pancreatic head	Cyst extending from pancreatichead to anterior hepatic area	Type IV CC Positive APBJ	Type IV CC Positive APBJ
2/6/F	Yes	Saccular dilatation of CBD	Not done	Type IV CC Positive APBJ	Type IV CC Positive APBJ
3/74/F	Yes	Dilated cystic structure in CBD, choledocholithiasis	Dilated cystic structure in CBD, choledocholithiasis	Type IV CC Long common channel, CBD stones	Type IV CC Long common channel, CBD stones
4/47/M	Yes	Dilated CBD	Not done	Type IV CC, positive APBJ, cholelithiasis	Type IV CC, positive APBJ, cholelithiasis
5/30/F	Yes	Not done	Not done	Type IV CC Long common channel	Type IV CC Long common channel
6/69/F	Yes	Dilated CBD	Not done	Type IV CC	Type IV CC
7/58/M	Yes	Dilated CBD, distended gall bladder wall	Dilated CBD, distended gall bladder wall	New variant (dilated CBD and dilated cystic duct), long common channel	New variant (dilated CBD and dilated cystic duct), long common channel
8/49/M	Yes	Not done	Not done	Type I CC, positive APBJ, pancreatic duct stone,cholelithiasis	Type I CC, positive APBJ, pancreatic duct stone, cholelithiasis

F: Female; M: Male; RUQ: Right upper quadrant; CBD: Common bile duct; CT: Computerized tomography; MRCP: Magnetic resonance cholangiopancreatography; ERCP: Endoscopic retrograde cholangiopancreatography; CC: Choledochal cyst; APBJ: Abnormal pancreaticobiliary junction.