Abstract
A case of adrenal teratoma incidentally discovered is reported. Patient was a 55-year-old female with the cheif complaint of epigastric distress. Abdominal echography revealed cholelithiasis and a retroperitoneal tumor. Physical examination detected an abdominal mass in the subcostal region. Adrenal hormone levels were within normal limits. Abdominal echography revealed cholelithiasis and a giant retroperitoneal tumor with calcification. Abdominal CT scan revealed a 13×14 cm cystic tumor with a solid part. From the pattern of the calcification, a mature type teratoma was suspected. Selective angiography revealed that the feeding artery of the tumor was the right inferior adrenal artery. Operation was carried out through thoracoabdominal approach and the retroperitoneal tumor 20×15 cm in size was resected. Pathologic examination disclosed benign teratoma with skin-like, bone-like, and fat-like parts. We think that this rare tumor might be derived from the adrenal gland, because of a presence of adrenal gland in the tumor capsule.
