After a thyroidectomy for thyroid cancer, a patient develops hoarseness. Her voice is breathy and weak. She does not have any difficulty breathing.
Challenge: Explain.
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4 comments:
recurrent larygneal nv damage
The recurrent branch of the laryngeal nerve was nicked in the thyroidectomy, affecting the movement of the vocal cords. Breathing is unaffected because the other side has a working recurrent laryngeal nerve.
damange to recurrent laryngeal nerve
haha yes, first year anatomy
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Complications
This is likely iatrogenic nerve injury to the recurrent laryngeal nerve (or the vagus) which innervates all intrinsic muscles except the cricothyroid (external branch of the superior laryngeal nerve).
Source: UpToDate.
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