Nasal Polyps

• Polypoid thickening of the inflamed nasal musosa, hyperplastic epithelium
• Pinkish, often pedunculated masses, round, often large and multiple proturberences into the nasal meatus
• Can arise subsequently to chronic inflammation
• Old polyps may becoma fibrous
• May recur when excised
• Necessary to distinguish from neoplasia
• Common in cats, less often in dogs, also horses and sheep
• Also see Progressive haematoma of horses and Nasopharyngeal polyps of cats