frontal sinus Schneiderian papilloma https://www.malacards.org/card/frontal_sinus_schneiderian_papilloma Schneiderian papilloma of frontal sinus MEDGEN:234273 MONDO:0003752 DOID:6054 GARD:0023652 Schneiderian papilloma of the frontal sinus NCIT:C6837 A papilloma that arises from the ciliated respiratory mucosa that lines the frontal sinus. It is classified as inverted papilloma and oncocytic papilloma. UMLS:C1333645 frontal sinus Schneiderian papilloma paranasal sinus Schneiderian papilloma benign neoplasm of frontal sinus