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Ophthalmology and Visual Sciences

Pleomorphic adenoma (benign mixed tumor)

Pleomorphic adenoma (benign mixed tumor)

Category(ies): Pathology
Contributor: Meagan Seay, DO and Nasreen Syed, MD

Pleomorphic adenomas are pseudoencapsulated and grow by expansion. The lesion is typically painless and may cause inferior-nasal proptosis.

H&E showing Pleomorphic adenomas
The lesion contains epithelial and mesenchymal elements and has well-differentiated glandular structures.