Vocal Cord Paralysis – Symptoms And Causes

Vocal Cord Paralysis – Symptoms And Causes

Question 1. Enumerate the effects of lesions of laryngeal nerves.
Answer.

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The effects of lesions of laryngeal nerve.

Effects of Lesions of Laryngeal Nerves

“Understanding vocal cord paralysis through FAQs: Symptoms and causes explained”

Question 2. Describe piriform fossa in brief and discuss its clinical importance.
Answer.

The piriform fossa is a deep recess in the lateral wall of the laryngopharynx, one on each side of laryngeal inlet.

Piriform Fossa Boundaries

Medially: Aryepiglottic fold

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Laterally: Thyrohyoid membrane and thyroid cartilage

Piriform Fossa  Clinical importance

The foreign bodies like fish bones and safety pins may be lodged in piriform fossa. If care is not taken during the removal of these foreign bodies, the instrument used for the removal of foreign bodies may pierce the mucous membrane lining, the floor of fossa and damage the internal laryngeal nerve and vessels, which lies just beneath it.