Left vocal cord palsy is most common due to long intrathoracic course of the left recurrent laryngeal nerve which arches around the aorta. Any inflammatory or neoplastic condition to involve it is most likely to arise from:
A. Left lung hilum
B. Nasopharynx
C. Thyroid gland
D. Oesophagus
Answer:A
Left vocal cord palsy is most common due to long intrathoracic course of the left recurrent laryngeal nerve which arches around the aorta. Any inflammatory or neoplastic condition to involve it is most likely to arise from:
A. Left lung hilum B. Nasopharynx C. Thyroid gland D. Oesophagus