ANOMALIES make operation on the biliary tract a challenge to even the most experienced surgeon. One of the uncommon anomalies is that of congenital absence of the gallbladder. Relatively careful reporting of cases, necropsy and surgical, along with newer concepts of accepted biliary procedures, now allow a rational approach to management.
Dixon and Lichtman1 were first to report the surgical experience with this anomaly at the Mayo Clinic. In 1945 they added 10 cases to the 50 surgical and necropsy cases already reported in the literature. McIlrath and associates2 in 1962 reported 10 more cases found in a review of 26,531 necropsies at this clinic. The total number of cases reported in the literature at that time3,4 was about 143. We recently operated on another patient having this anomaly and were stimulated to review the surgical experience at the Mayo Clinic since 1945. From 1945 through 1963,