disease has location paranasal sinus disorder cholesteatoma maxillary sinus cholesteatoma https://www.malacards.org/card/maxillary_sinus_cholesteatoma cholesteatoma (disease) of maxillary sinus maxillary sinus cholesteatoma (disease) DOID:867 UMLS:C1334644 NCIT:C35868 MONDO:0006577 MEDGEN:277346 A rare, progressive, non-neoplastic pathologic process that arises from the maxillary sinus mucosal epithelium. It is characterized by the proliferation of keratinizing squamous epithelium and the formation of keratin sheets. It may lead to bone erosion and infections. Surgical removal is the appropriate treatment. mouth disorder disorder of facial skeleton maxillary sinus