Retropharyngeal abscess

Retropharyngeal abscess is a medical condition characterized by the accumulation of pus in the retropharyngeal space, a potential space in the human neck. It is a potentially life-threatening condition due to the risk of rapid spread to the mediastinum, leading to mediastinitis, sepsis, and airway obstruction.

Causes

The most common cause of a retropharyngeal abscess is a bacterial infection. The bacteria often enter the retropharyngeal space through a perforation in the pharynx, usually as a result of trauma or a secondary infection. The most common bacteria involved are Group A streptococci, Staphylococcus aureus, and anaerobes.

Symptoms

Symptoms of a retropharyngeal abscess can vary, but often include severe sore throat, difficulty swallowing (Dysphagia), neck pain, swelling in the neck, and fever. In severe cases, patients may present with stridor or difficulty breathing, which is a medical emergency.

Diagnosis

Diagnosis of a retropharyngeal abscess is typically made based on clinical symptoms and imaging studies. A CT scan of the neck is often used to confirm the diagnosis and assess the extent of the infection.

Treatment

Treatment of a retropharyngeal abscess typically involves antibiotics and surgical drainage of the abscess. In severe cases, intubation or a tracheostomy may be necessary to secure the airway.

See also

• Pharyngitis
• Tonsillitis
• Peritonsillar abscess

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