[A case of aplasia of the pancreatic body and tail accidentally detected on computed tomography].

A 51-year-old female was diagnosed as diabetes mellitus and pointed out of the abnormal data on CA 19-9. Computed tomography (CT) demonstrated the absence of pancreatic body and tail, and showed gall stone and thickening of the gallbladder wall. So we diagnosed this case as aplasia of the pancreatic body and tail, without operation. This is 59th case in Japan.