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Three Cases of Acute Calcific Retropharyngeal Tendinitis
Nihon Jibiinkoka Gakkai Kaiho
|July 28, 2018
Summary
Acute calcific retropharyngeal tendinitis, an inflammation of the longus coli muscle, causes neck and swallowing pain. CT scans reveal characteristic imaging findings for early diagnosis, differentiating it from infection.
Area of Science:
- Rheumatology and Musculoskeletal Disorders
- Medical Imaging and Diagnostics
- Infectious Disease Mimicry
Background:
- Acute calcific retropharyngeal tendinitis (ACRT) involves longus coli muscle inflammation, presenting with neck pain, dysphagia, and limited movement.
- Symptoms often resolve spontaneously within 1-2 weeks.
- ACRT is frequently misdiagnosed and treated with antibiotics due to symptom overlap with severe infections like retropharyngeal abscess.
Observation:
- This report details 3 cases of ACRT.
- Two patients required hospitalization and retrospective diagnosis after extensive examinations.
- One patient was diagnosed and managed as an outpatient following a CT scan.
Findings:
- Typical CT imaging demonstrates prevertebral soft-tissue swelling.
- Absence of ring enhancement on CT is noted.
- Amorphous calcification anterior to the atlanto-axial joint is a key diagnostic feature.
Implications:
- Characteristic CT findings enable early and accurate diagnosis of ACRT.
- Distinguishing ACRT from infectious etiologies can prevent unnecessary antibiotic use.
- Improved diagnostic accuracy can lead to more appropriate patient management and reduced healthcare costs.
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