Retropharyngeal lymphadenopathy and airway obstruction, horse

Endoscopic image obtained from a horse with Streptococcus equi equi–associated retropharyngeal lymphadenopathy. The soft palate is markedly edematous and displaced dorsally, obstructing the entire right side of the larynx (on the left in the image); the left side and a portion of the rima glottidis (black) is visible.