Pancreas: Non-Neoplastic Pancreatic Cyst

General

• Most Found Incidentally
• Not from Pancreatitis

Classification

• True Cyst
• Retention Cyst – Small Dilated Pancreatic Ductal Side Branch from Obstruction
• Mucinous Non-Neoplastic Cyst – Mucinous Lining, No Ductal Communication
• Lymphoepithelial Cyst – Mature Keratinizing Squamous Epithelial Lining Surrounded by a Lymphoid Tissue Layer

Resection Indications

• Certain Mucinous Cysts
• Suspicious Cytology
• High-Risk Mutations