2017 Volume 53 Issue 1 Pages 89-93
The accessory spleen is of mesodermal origin, and it is rarely associated with a cystic structure of epidermal origin. We treated a 13-year-old girl who had inclusion epidermoid cyst in the intrapancreatic accessory spleen. She consulted a nearby clinic for abdominal pain. CT examination revealed a cystic lesion in the pancreatic tail. She was then referred to our institute. MRI revealed a cystic mass of 15 mm diameter in the pancreatic tail. Because a neoplastic lesion could not be excluded, open distal pancreatectomy was performed. The histological diagnosis of the cystic mass in the accessory spleen was epidermoid cyst without malignant tissue. The postoperative course was uneventful and she was discharged on the 12th day after operation. Neither recurrence nor abdominal symptoms have been observed for eight years after the operation. A literature review on the inclusion epidermoid cyst in the intrapancreatic accessory spleen revealed 43 reported cases, and our patient’s case was the second found in childhood. In our patient, surgical resection of the epidermoid cyst in the intrapancreatic accessory spleen was effective in improving the abdominal symptoms.