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Doctors Medicines MCQs Q&A

The outpouching of the mucous membrane lining of the nose or paranasal sinuses is called:

The outpouching of the mucous membrane lining of the nose or paranasal sinuses is called: Correct Answer nasal polyp

Concept:

Paranasal sinuses:

  • The paranasal sinuses are cavities found in the interior of the maxilla, frontal, sphenoid, and ethmoid bones.
  • They are lined with mucoperiosteum and filled with air.
  • They communicate with the nasal cavity through relatively small apertures.

Explanation:

Nasal polyps:

  • Nasal polyps are soft, noncancerous growths on the lining of your nose or sinuses.
  • They often occur in groups, like grapes on a stem. Nasal polyps are soft, painless, noncancerous growths on the lining of your nasal passages or sinuses
  • They are divided into two main types:
  1. Ethmoidal polypi
  2. Antrochoanal polyp
  • They can also be presenting features of fungal sinusitis and sino-nasal malignancy.

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