NCIt synonyms : Inverting Papilloma of Nasal Cavity; Inverting Papilloma of the Nasal Cavity; Nasal Cavity Schneiderian Papilloma, Inverted Type; Nasal Cavity Inverted Schneiderian Papilloma;
NCIt definition : A benign neoplasm that arises from the ciliated respiratory mucosa that lines the
nasal cavity. It results from the invagination and proliferation of epithelial cells
in the underlying stroma. Clinical manifestations include nasal obstruction, epistaxis,
and anosmia. It has the tendency to recur and extend to adjacent structures. Inverted
papillomas are occasionally associated with the development or presence of carcinomas,
usually squamous cell carcinomas.;