Epidermoid Cyst in Intrapancreatic Accessory Spleen
Definition
- Pancreatic cystic lesion lined by squamous epithelium arising within ectopic splenic tissue
Alternate/historical Name
- Splenic epidermoid cyst of the pancreas
Diagnostic Criteria
- Cystic lesion lined by stratified squamous epithelium
- May be keratininzing or non-keratinizing
- Some cases have partial mucinous lining
- Cysts surrounded by splenic red pulp
- May be unilocular or multilocular
- Entire lesion surrounded by fibrous tissue
- Pancreatic ducts and islets may be entrapped in fibrous layer
- All reported cases in tail of pancreas
Robert V Rouse MD
Department of Pathology
Stanford University School of Medicine
Stanford CA 94305-5342
Original posting : January 4, 2008
Update : April 26, 2009
