Squamoid Cyst of Pancreatic Ducts
Definition
- Pancreatic ductal cystic lesion lined by squamoid epithelium
Diagnostic Criteria
- Unilocular cystic dilation of duct
- 0.8 - 9 cm
- Smaller lesions may be noted incidentally
- No papillae
- No solid areas
- 0.8 - 9 cm
- Lined by bland squamoid epithelium
- Flattened squamous to transitional
- Single layer to transitional
- No keratinization or granular layer
- No columnar or mucinous component
- Surrounded by thin band of fibrous tissue
- No surrounding fibrosis or pancreatitis
- Lacks following features
- Lymphoid tissue
- Splenic tissue
- Ovarian type stroma
Robert V Rouse MD
Department of Pathology
Stanford University School of Medicine
Stanford CA 94305-5342
Original posting : August 1, 2007
Update : April 26, 2009