papilloma inverted papilloma https://www.malacards.org/card/inverted_papilloma An endophytic benign papillary epithelial neoplasm that results from the invagination and proliferation of epithelial cells in the underlying stroma. Representative examples are the inverted urothelial papilloma that arises from the urinary tract and inverted Schneiderian papilloma that arises from the nasal cavity or paranasal sinuses. ICD9:212.0 inverted papilloma MONDO:0002537 NCIT:C3793 MESH:D018308 MEDGEN:61668 UMLS:C0206721 DOID:3179 SCTID:104081000119103