retropharyngealt

Retropharyngeal refers to the anatomical space located behind the pharynx, which is the part of the throat behind the mouth and nasal cavity. This space contains loose connective tissue and lymphatic vessels. The retropharyngeal space is bordered anteriorly by the pharyngeal wall, posteriorly by the prevertebral fascia, and laterally by the carotid sheath. It is a potential space, meaning it normally contains very little material but can accumulate fluid or other substances under certain conditions.

An infection in this space is known as a retropharyngeal abscess. This is a serious condition that can occur in both children and adults, though it is more common in younger individuals. Retropharyngeal abscesses can be caused by bacterial infections, often originating from infections of the tonsils, adenoids, or pharynx. Symptoms may include difficulty swallowing, sore throat, fever, and neck pain. Due to its proximity to vital structures like the airway and major blood vessels, a retropharyngeal abscess requires prompt medical attention and treatment, which typically involves antibiotics and sometimes surgical drainage.

Inflammation of the retropharyngeal lymph nodes can also occur, which is often referred to as retropharyngeal lymphadenitis. This is usually a symptom of an underlying infection elsewhere in the head or neck region. Swollen retropharyngeal lymph nodes can cause discomfort and may be palpable when examining the throat.