Surgical Pathology Criteria

Epidermoid Cyst in Intrapancreatic Accessory Spleen

Differential Diagnosis

Most other cysts are easily distinguished by their non-squamous lining

Epidermoid Cyst in Intrapancreatic Accessory Spleen Dermoid Cyst
No skin appendages or mesenchyme Skin appendages and mesenchyme common
Surrounded by splenic red pulp Lacks surrounding splenic red pulp

Lymphoepithelial Cyst of the Pancreas Epidermoid Cyst in Intrapancreatic Accessory Spleen
Surrounding dense lymphoid tissue Surrounding splenic red pulp

Epidermoid Cyst in Intrapancreatic Accessory Spleen Squamoid Cyst of Pancreatic Ducts
Surrounded by splenic red pulp Lacks surrounding splenic red pulp
May show overt keratinization Non-keratinized
Involves tail of pancreas Intraductal

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