Devi, R Jaya DurgaMohanty, Deeganta2019-11-252019-11-252018-07Devi R Jaya Durga, Mohanty Deeganta. Prevalence Of Inverted Papilloma In A Teritiary Hospital. Indian Journal of Applied Research. 2018 Jul; 8(7): 32-332249-555Xhttp://imsear.searo.who.int/handle/123456789/185020Inverted papilloma is a benign tumour of nasal cavity arising from lateral wall of nose, septum or anywhere in nasal cavity and sinuses. Pathogenesis is unknown even though many causes are explained like viral infection by HPV, HSV, chronic rhinosinusitis. These have capacity of malignant transformation 10 to 15%.Epstein–Barr virus (EBV), smoking, occupational, environmental and industrial exposures, cell cycle related proteins, angiogenic factors and chronic inflammation.Aims : To findout prevalence of inverted papilloma among nasal massesTo evaluate the sex incidence among these casesTo know symptomatology compared to other nasal massesMethods –ASRAM Medical College, Eluru, Dept of ENT.This is a prospective study over 2 years period ( 2015 Sept to 2017 August)Sample size – total no of 50 cases with nasal mass was studiedMethodology – All the patients having nasal masses were taken for the study. All the malignant masses were excluded from the study. Thorough clinical examination and investigations were done and data were analyzed.Results • The incidence of nasal mass to be higher in Males (58%). Especially males majority seen in inverted papilloma (5cases) and 1 female.nd• Most common nasal mass is nasal polyp,followed by 2most common is inverted papilloma.Inverted PapillomaLateral RhinotomyNasal PolypJournal ArticleIndiaResident, Dept Of Ent, Asram Medical CollegeProfessor Of Ent, Asram Medical College