Although situs inversus, partial or complete, occurs perhaps once in every 10,000 individuals, left-sided gallbladder without situs inversus is extremely rare. Indeed, we could find only 16 cases reported in the world literature up to 1956,1 and all of these occurred in patients whose gallbladders were found under the left lobe of the liver.
The present case report appears to be unique in that both the liver and gallbladder were placed on the left side of the abdomen while the other viscera were in normal position, although incomplete rotation of the large intestine had occurred.
A 68-year-old white woman was first admitted to Grace Hospital in February, 1955, for massive coronary thrombosis with arteriosclerotic heart disease and hypertension. Her progress was satisfactory, and she remained well on limited activity until January, 1962, when she was admitted again to the hospital suffering from diverticulitis of the sigmoid colon