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Definition of Nasal polyp

Nasal polyp: A growth or protrusion of tissue in the nose or sinuses. Nasal polyps may produce no symptoms or may lead to obstruction of the nasal passages, sinus infection, and a decreased sense of smell. Nasal polyps are almost always benign. Treatment can involve medications or surgery.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012

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