Retropharyngeal Abscess

**Definition:** An accumulation of purulent material in the space between the PHARYNX and the CERVICAL VERTEBRAE. This usually results from SUPPURATION of retropharyngeal LYMPH NODES in patients with UPPER RESPIRATORY TRACT INFECTIONS, perforation of the pharynx, or head and neck injuries.

**Tree numbers:** - C01.748.561.625 - C01.830.025.780 - C07.550.781.625 - C08.730.561.625 - C09.775.649.625

**Synonyms:** - Abscess, Retropharyngeal