infection in immunocompetent patient.

() is a protozoan parasite living in intestinal tracts of termites and cockroaches. Chen and Meng from China repoted first case of pulmonary infection in 1993. 137 cases have only been reported in literature between 1993 to 2013.

Bouveret syndrome: Primary demonstration of cholecystoduodenal fistula on MR and MRCP study.

Bouveret syndrome is an unusual complication of cholelithiasis which results in upper gastrointestinal obstruction due to a gallstone impacted in the duodenum through a bilio-enteric fistula. We present this rare entity which was primarily diagnosed on magnetic resonance (MR) and MR cholangiopancreaticography (MRCP) study.