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21: Peritonsillar and Retropharyngeal Abscesses
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Published:May 2023
Derek Zhorne, MD, "Peritonsillar and Retropharyngeal Abscesses", Caring for the Hospitalized Child: A Handbook of Inpatient Pediatrics, American Academy of Pediatrics Section on Hospital Medicine, Jeffrey C. Gershel, MD, FAAP, Daniel A. Rauch, MD, FAAP, SFHM
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Deep neck infections involve the potential spaces and facial planes in the neck. The most common are peritonsillar and retropharyngeal abscesses.
A peritonsillar abscess (PTA) is a suppurative bacterial infection located in the space between the tonsil and the superior pharyngeal constrictor muscle. It is the most frequent deep neck infection in older children and adolescents but is relatively uncommon in young children.
A retropharyngeal abscess (RPA) involves the retropharyngeal space, which is the area between the pharynx and precervical vertebrae fascia that extends from the skull into the superior mediastinum. Retropharyngeal lymph nodes drain the nasopharynx, adenoids, posterior paranasal...
