maxillary sinus

Sinonasal inflammatory polyp

What is a sinonasal inflammatory polyp? A sinonasal inflammatory polyp is a non-cancerous growth that may develop in the nasal cavity or paranasal sinuses. Sinonasal inflammatory polyps can be caused by anything that leads to chronic inflammation in the nasal cavity and paranasal sinuses including allergies, upper respiratory tract infections, cystic fibrosis, aspirin intolerance, and …
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