Abstract Introduction: Nasal polyps are polypoidal masses arising from the nasal cavity and paranasal sinuses. They can be non-neoplastic, can have an infective etiology, or they can be benign or malignant. Aim of the Study: To study the histopathological spectrum of nasal polyps. Materials and Methods: This was a prospective study done over a period of 16 months. The study group consisted of 93 individuals from 10 years to 69 years in whom excised nasal polyps were studied histopathologically. These cases were classified into non neoplastic, benign and malignant lesions. Observations and Results: The male to female ratio was 1.73:1. The non-neoplastic lesions were more common (67.74%) than the malignant lesions (5.38%). Allergic morphology was more common. Rhinosporidiosis was a frequent infective etiology. Among benign lesions, hemangioma and among malignant lesions, squamous cell carcinoma were more common. Conclusion: Nasal polyps most commonly show allergic and inflammatory morphology. Rhinosporidiosis presents as nasal polyps in endemic coastal areas. Overall the study has found 5.38% malignant cases, so thorough sampling and study is recommended for all nasal polyps.
Keywords: Nasal polyps; Rhinosporidiosis; Hemangioma; Lesions.