Gastroduodenal artery (GDA) commonly arises from common hepatic artery, a branch of celiac axis. It holds a unique anatomical position that connects the foregut and midgut due to its intimate communications with foregut and midgut arterial supply. Its numerous anatomical variations have a significant impact on planning and performance of hepatopancreaticobiliary (HPB) surgery. Its close relation to the first part of duodenum, common bile duct and head of pancreas makes it susceptible for inadvertent bleeding during or after surgery, or due to various HPB pathologies. Also, a large number of vascular interventions rely on GDA and its branches. Careful preoperative planning is the key and a detailed knowledge and awareness of its variant anatomy is of paramount importance, be it liver resections, liver transplant, biliary and pancreatic resections and pancreatic transplant or transarterial procedures involving these arteries. GDA can also be a cause of gastrointestinal hemorrhage due to true or pseudoaneurysms and anatomy has significant implications on its management. The article provides a succinct review on relevance of GDA anatomy and variations and highlights that preoperative planning and intraoperative awareness of variations is the key to performance of safe HPB surgery and interventions.
Biliary mucinous cystic neoplasm (BMCN) is a rare intrahepatic neoplasm comprising approximately 5% of cystic liver lesions. It can cause diagnostic dilemmas with most common differentials being complex hepatic cyst, hydatid cyst and intraductal papillary neoplasm of the bile duct. Affecting middle-aged female population, BMCN presents variedly ranging from vague abdominal symptoms to obstructive jaundice. Preoperative diagnosis is difficult. Preoperative CT scan with intravenous contrast and carbohydrate antigen 19.9 levels may give a clue towards the diagnosis. Intraoperative frozen section or cyst fluid aspiration cytology might help confirm the diagnosis. Fine needle aspirations should not be performed if BMCN is suspected, and intraoperative cyst spillage should be avoided to prevent tumour dissemination. We present here a case with a very atypical presentation of BMCN and review its present literature in brief.
Postcholecystectomy Mirizzi syndrome (PCMS) is an uncommon entity that can occur due to cystic duct stump calculus, gall bladder remnant calculus or migrated surgical clip. It can be classified into early PCMS or late PCMS. It is often misdiagnosed and the management depends on the site of impaction of stone or clip. Endoscopy can be performed for cystic duct stump calculus. However, surgery is the treatment for remnant gall bladder calculus. Role of laparoscopic management is controversial. We present here a case of a 48-year-old woman with late PCMS due to an impacted calculus in a sessile gall bladder remnant following a subtotal cholecystectomy, managed with laparoscopic completion cholecystectomy, review the literature, provide tips for safe laparoscopy for PCMS and summarise our algorithmic approach to the management of the postcholecystectomy syndrome.
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