title: Acute cholecystitis and cholangitis caused by Echinococcus granulosus.
abstract: We report for the first time in the recent North American literature, the case of a patient with rupture of a hepatic hydatid cyst into the gallbladder, with subsequent obstruction of the cystic duct by a daughter cyst acting as a ball-valve and causing acute acalculous cholecystitis.
authors.forename: S
authors.initials: S
authors.lastname: Abou-Khalil
authors.forename: B M
authors.initials: BM
authors.lastname: Smith
authors.forename: J D
authors.initials: JD
authors.lastname: MacLean
authors.forename: D
authors.initials: D
authors.lastname: Poenaru
authors.forename: G M
authors.initials: GM
authors.lastname: Fried
authors.forename: P
authors.initials: P
authors.lastname: Bret
authors.forename: A N
authors.initials: AN
authors.lastname: Barkun
mesh_terms: D000208:Acute Disease; D002761:Cholangitis / Q000469:parasitology*; D002764:Cholecystitis / Q000469:parasitology*; D001651:Cholestasis, Extrahepatic / Q000469:parasitology; D003549:Cystic Duct; D003937:Diagnosis, Differential; D004444:Echinococcosis, Hepatic / Q000150:complications* / Q000175:diagnosis / Q000453:epidemiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009018:Morocco / Q000208:ethnology; D011792:Quebec / Q000453:epidemiology; D012422:Rupture, Spontaneous