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Ductal Papillomas

Clinical Features of Ductal Papillomas -Painless growths -2 types: submucosal or exophytic -Submucosal (aka inverted ductal papilloma)=central punctum -Exophytic (aka sialadenoma papilliferum)= exophytic papillary mass -No HPV association
Demographics of Ductal Papillomas -Older adults with a 1:5 to male predilection -Most common location for submucosal type is lower lip & mandibular vestibule -Most common location for exophytic type is the palate
Microscopic Features of Ductal Papillomas -Exophytic: papillary projections covered by SSE; multiple ductal lumina lined w/ double layer of luminal columnar cells and basal cuboidal cells -Submucosal: mult. thick, bulbous papillary projections lined w/ columnar & cuboidal cells, & mucus cells
Differential Diagnosis for Ductal Papillomas -Squamous papilloma -Mucoepidermoid carcinoma -Squamous cell carcinoma
Treatment for Ductal Papillomas Excision of the lesion
Created by: sarahosseini