An Unusual Case of Mirizzi Syndrome With Double Spontaneous Gallbladder Fistulas With the Colon and the Duodenum Presenting As Acute Cholecystitis.

The Mirizzi syndrome is amongst the rarest complications of long-standing gallstone disease. It is an even rarer occurrence when concurrent with a cholecystoenteric or cholecystoduodenal fistula and might not include an accompanying gallstone ileus. Chronic cholecystitis is the primary etiology, but pre-operative diagnosis is challenging due to its non-specific symptoms compared with acute cholecystitis. In this unusual case, the patient has a Csendes type Va Mirizzi syndrome associated with a double cholecystoduodenal and cholecystocolonic fistula, a rare presentation.