Acute Cholecystitis: Pathophysiology
Ninety percent of cases of cholecystitis involve stones in the cystic duct (ie, calculous cholecystitis), with the other 10% of cases representing acalculous cholecystitis. Acute calculous cholecystitis is caused by obstruction of the cystic duct, leading to distention of the gallbladder. As the gallbladder becomes distended, blood flow and lymphatic drainage are compromised, leading to mucosal ischemia and necrosis. |
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