[Unusual laparoscopic surgical cases: cholelithiasis in situs inversus totalis, and gallbladder agenesis].

Organ anomalies and organ system transposition may cause diagnostic and therapeutic difficulties. We report a patient with situs inversus totalis and symptomatic cholelithiasis successfully treated via laparoscopic cholecystectomy. We present a laparoscopic and MR cholangiographic pictures of our patient with gallbladder agenesis.