Overview
Retropharyngeal tendinitis involves inflammation of the longus colli muscle tendon, often mistaken for retropharyngeal abscess due to similar clinical presentations such as neck pain, sore throat, and odynophagia 4. It can occur in various populations, including pediatric and adult patients, sometimes complicating conditions like tonsillitis or presenting as a calcific process 1234.Diagnosis
Clinical Presentation: Neck pain, sore throat, odynophagia 4.
Imaging: X-ray revealing retropharyngeal calcium deposition is crucial for diagnosing calcific tendinitis 4.
CT/MRI: Useful for distinguishing from abscess, showing soft tissue swelling and potential abscess formation 12.
Laboratory Tests: Elevated inflammatory markers may support diagnosis but are non-specific 12.
Differential Diagnosis: Includes retropharyngeal abscess, pharyngitis, and peritonsillar abscess 4.Management
Surgical Drainage: Indicated for abscesses causing significant airway compromise or when conservative management fails 12.
Antibiotics: Empiric broad-spectrum antibiotics (e.g., penicillin or clindamycin) are often initiated pending culture results 123.
Supportive Care: Airway management, hydration, and pain control are essential 12.
Calcific Tendinitis Treatment: Primarily conservative with NSAIDs for pain relief; rarely requires surgical intervention 4.Special Populations
Pediatrics: High index of suspicion required due to non-specific symptoms; imaging crucial for diagnosis 1.
Comorbidities: Patients with conditions like haemodialysis may present with septicaemic illness complicating retropharyngeal infections 3.Key Recommendations
High suspicion and imaging for diagnosis in pediatric patients to differentiate retropharyngeal tendinitis from abscess 1 (Evidence: Moderate).
Early surgical intervention for airway compromise in cases of retropharyngeal abscess 12 (Evidence: Moderate).
Empiric broad-spectrum antibiotic therapy should be initiated promptly in suspected retropharyngeal infections 123 (Evidence: Moderate).
Consider calcific tendinitis in adults with neck pain and radiographic calcium deposition, distinguishing it from abscess 4 (Evidence: Weak).References
1 Collis DH, Sanu A. Zygomatic haematoma in an 11-month-old helps diagnose retropharyngeal abscess, with concurrent tonsillitis and subsequent infant tonsillectomy. BMJ case reports 2016. link
2 Ozbek C, Dagli S, Tuna EE, Ciftci O, Ozdem C. Giant retropharyngeal abscess in an adult as a complication of acute tonsillitis: case report. Ear, nose, & throat journal 2009. link
3 Hughes J, Martin RJ, Clutterbuck EJ. Retropharyngeal infection with Staphylococcus aureus in a haemodialysis patient. American journal of nephrology 1993. link
4 Benanti JC, Gramling P, Bulat PI, Chen P, Lundstrom G. Retropharyngeal calcific tendinitis: report of five cases and review of the literature. The Journal of emergency medicine 1986. link90108-3)
5 Mukau L. Dissecting retropharyngeal abscess due to Fusobacterium necrophorum in an adult. Southern medical journal 1985. link