Merck Manual

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Streptococcus equi retropharyngeal abscess, horse
Streptococcus equi retropharyngeal abscess, horse

Endoscopic image obtained from a horse with an S equi retropharyngeal abscess compressing the dorsal wall of the nasopharynx and obscuring visualization of the arytenoid cartilages.

Courtesy of Dr. Bonnie R. Rush.

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