The most common cause of vocal cord palsy is:
Thyroidectomy was the single most common surgical cause for unilateral vocal cord palsy, followed by other nonthyroid neck surgeries (20%) and anterior cervical decompression (18.3%). Conclusion: The most common cause for unilatera lvocal cord palsy is idiopathic.
Total thyroidectomy
Bronchogenic carcinoma
Aneurysm of aoa
Tubercular lymph nodes