Concomitant cholecystoduodenal fistula and cholecystocholedochal fistula due to actinomyces.

This report describes a patient with a cholecystoduodenal fistula and cholecystocholedochal fistula who was found to have Actinomyces contained within the gallbladder upon pathologic examination. The cholecystocholedochal fistula was repaired using a flap of gallbladder over a T-tube, and the actinomycosis was successfully eradicated with 6 weeks of intravenous doxycycline followed by an additional 6 months of oral doxycycline.