Surgical Pathology Snapshot #1: a young girl with an incidental splenic finding.

What's your diagnosis?

Epidermoid cyst of the spleen
Bibliografia
Bürrig KF. Epithelial (true) splenic cysts. Pathogenesis of the mesothelial and so-called epidermoid cyst of the spleen. Am J Surg Pathol. 1988 Apr;12(4):275-81
Rosai J. Rosai and Ackerman's Surgical Pathology 10th edition; chap 22 page 1902-1903.