50s yom maxillary sinus
Dx: sinonasal papilloma, inverted-type
📸macro: partially translucent mass w/cerebriform opaque infoldings
📸low: downward growth of epi
📸 mucous cells (arrow) & microabscess formation
📸 thick squamous epi w/transmigrating neutrophils

#Pathsky #Otosky #ENTsky #macromicropath