Hepatobiliary and Pancreatic Imaging MCQs

Serous cystadenoma of the pancreas On CT, typically demonstrates a multicystic, lobulated mass in the pancreatic head (like bunch of Grapes) the individual cysts are typically a characteristic enhancing central scar may be present which can show associated stellate calcification. Reference: AIIMS-MAMC-PGI's Comprehensive textbook of diagnostic radiology page number 2067

Magnetic resonance cholangiopancreatography (MRCP) is a non-invasive imaging technique to visualize the intra and extrahepatic biliary tree and pancreatic duct. Reference: AIIMS-MAMC-PGI's Comprehensive textbook of diagnostic radiology page number 1974

Dilatation and beading of the pancreatic duct often with intraductal calcifications, could give a 'chain of lakes' appearance in chronic pancreatitis on MRCP/ERCP images. Reference: AIIMS-MAMC-PGI's Comprehensive textbook of diagnostic radiology page Number 2032

Tc-99m labelled IDA (iminodiacetic acid) analogs are used for hepatobiliary scintigraphy. Hepatobiliary scintigraphy studies the function and integrity of the hepatobiliary system by visualising the production and flow of bile from the liver through the biliary system into the intestinal tract. Common indications are suspected acute cholecystitis, common bile duct obstruction, bile leak, and congenital abnormalities of the hepatobiliary tree. They have similar uptake, transport and excretion mechanisms as bilirubin. Reference: Mc-Graw Hill speciality Board review Radiology page number 743

Endoscopic retrograde cholangio-pancreatography (ERCP) is considered as the gold standard for the diagnosis of CP because of its superior spatial resolution and its ability to depict the ductal system in distended state. Side branch abnormalities in early CP may be detected. ERCP is an invasive procedure and has inherent procedure-related complications; hence this modality is mostly used with the intent of therapeutic interventions. ERCP is also helpful in diagnosing other obstructive causes of CP such as ampullary lesions, intraductal neoplasms and congenital anomalies such as pancreatic divisum or annular pancreas Reference: AIIMS-MAMC-PGl's Comprehensive textbook of diagnostic radiology page 2032