Epidermoid cyst within an intrapancreatic accessory spleen exhibiting abrupt changes in serum carbohydrate antigen 19-9 level: a case report

摘要

Abdominal ultrasound showing a cystic lesion in the pancreatic tail (yellow arrow) and a slightly hyperechoic component (white arrow) in the cystic lesion. Contrast-enhanced abdominal computed tomography shows a cystic mass with a diameter of 24 mm (yellow arrow)