Table 2.

Differential diagnosis of vocal cord dysfunction by etiology

Infection/inflammation	Intrinsic vocal fold lesions	Vocal cord paralysis	Miscellaneous
Acute/chronic laryngitis	Laryngeal polyps/nodules/cysts	Post-tracheal intubation	Laryngocele
Laryngeal amyloidosis	Laryngeal papilloma	Compression of CN X or RLN—mediastinal causes	Laryngeal web
Thyroid disease	Laryngeal cancer	Compression of CN X or RLN—thyroid mass
Rheumatoid arthritis		Compression of CN X or RLN—skull base
		Traumatic Injury to CN X or RLN
		Neurodegenerative disorders (i.e., ALS, Parkinsons)