Abstract
Background: Nasal polyposis are considered a sign or a physical finding rather than a disease resulting from a complex process that is found in some individuals, such as people suffering from chronic sinusitis, rhinitis, Kartagener’s syndrome, or cystic fibrosis. Sinonasal polyps can have four distinct histological subtypes, which include eosinophilic polyp, chronic inflammatory polyp, hyperplastic polyp, and polyp with stromal atypia. Aim: In this review, we aim to study the presentation, classification and diagnosis of nasal polyps in the light of histopathological findings. Materials and methods: We conducted this review using a comprehensive search of MEDLINE, PubMed, and EMBASE, January 2001, through February 2017. The following search terms were used: nasal polyp, inflammation of nasal mucosa, chronic inflammation, histology of nasal mucosa, pathology of nasal polyps. Conclusion: Polyposis does not have histological problems and complications. However, they may be clinically disturbing. Polyps are not classified into allergic and non-allergic, and are rather stratified according to histological findings, making histological investigation crucial for diagnosis.
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