label: Lacrimal Drainage System Exophytic Papilloma
label_lc: lacrimal drainage system exophytic papilloma
description: A benign neoplasm that arises from the lacrimal drainage system, usually the lacrimal sac, and consists of outward growing papillae with central fibrovascular cores covered most often by squamous, and less often by squamo-transitional or columnar multilayered epithelium.