“VOCAL CORD PARALYSIS”

This may be due to causes including iatrogenic (postoperative/intubation), trauma, thyroid/parathyroid neoplasm, lymphadenopathy and tumour.
CT

•  Look for medialisation of the arytenoid and adduction of the vocal cord with resulting enlargement of the ipsilateral piriform sinus.
•  Atrophy of the cricothyroid muscle.
•  Absent thyroid (e.g. post-thyroidectomy).



 

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