Which one of the following lesions of vocal cord is dangerous to life:
Bilateral adductor paralysis
Bilateral abductor paralysis
Combined paralysis of left side superior and recurrent laryngeal nerve
Superior laryngeal nerve paralysis
(b) Bilateral abductor paralysis(Ref. Current Diagnosis & Treatment Otolaryngology, Lalwani, 3rd ed., 478; Scott Brown, 8th ed., Vol 2; 336)In bilateral abductor paralysis or B/L RLN palsy presentation is stridor because of which it is also known as life threatening palsy.In bilateral adductor paralysis, i.e. B/L complete paralysis, there will be aspiration bronchopneumonias but the presentation will not be acute life threatening in comparison to stridor in B/L RLN palsy.The remaining two options are not life threatening
Laryngeal Paralysis