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septiembre 30, 2017

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Acute Cholecystitis and biliary cholic

Biliary colic and cholecystitis are in the spectrum of biliary tract disease. This spectrum ranges from asymptomatic gallstones to biliary colic, cholecystitis, choledocholithiasis, and cholangitis. [ 1 ] Gallstones can be divided into 2 categories: Cholesterol stones (80%) and pigment stones (20%). Most patients with gallstones are asymptomatic. Stones may temporarily obstruct the cystic duct or pass through into the common bile duct, leading to symptomatic biliary colic, which develops in 1-4% of patients with gallstones annually. Cholecystitis occurs when obstruction at the cystic duct is prolonged (usually several hours) resulting in inflammation of the gallbladder wall. Acute cholecystitis develops in approximately 20% of patients with biliary colic if they are left untreated. [ 2 ] However, the incidence of acute cholecystitis is falling, likely due to increased acceptance by patients of laparoscopic cholecystectomy as a treatment of symptomatic gallstones. [ 3 ] Ch

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