Adductory spasmodic dysphonia: Series of 2 photos
AD-SD (1 of 2)
Sustained, clear phonation, standard light. Note vibratory blur of the vocal cord margins. The false vocal cords (lines) are in normal relation to the true vocal cords.
Adductory spasm: Series of 2 photos
Adductory spasm (1 of 2)
Continuous phonation, standard light. Note the position of the false cords in relation to each other, and also the distance between the anterior face of the arytenoids and the petiole of the epiglottis.