Thorax · NEET PG Preparation Anatomy
A 60-year-old heavy smoker presents with hoarseness of voice and a Pancoast tumor of the right lung apex. Compression of which anatomical structure i…
Practice question from Thorax (NEET PG Preparation Anatomy), with the correct answer and a step-by-step solution.
medium · MCQ · Q-48E957
A 60-year-old heavy smoker presents with hoarseness of voice and a Pancoast tumor of the right lung apex. Compression of which anatomical structure is most directly responsible for the hoarseness?
- A.Right vagus nerve
- B.Right recurrent laryngeal nerveCorrect answer
- C.Left recurrent laryngeal nerve
- D.Right phrenic nerve
Solution
The right recurrent laryngeal nerve loops under the right subclavian artery in the root of the neck/superior thorax and can be involved in apical lung tumors (Pancoast tumors), leading to vocal cord paralysis and hoarseness. The left recurrent laryngeal nerve loops under the aortic arch.
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