Definition of Retropharyngeal abscess:

Retropharyngeal abscess is a collection of pus in the tissues in the back of the throat. It is a potentially life-threatening medical condition.

See also: Peritonsillar abscess

Causes, incidence, and risk factors:

Retropharyngeal abscess generally affects children under age 5. Infected material (pus) builds up in the space around the tissues at the back of the throat. This can occur during or immediately following a throat infection.