• A H Zibis, D Giannis, K N Malizos, P Kitsioulis, and D L Arvanitis.
• Department of Anatomy, Medical School, University of Thessalia, Neofytoy 9 St., 41223, Larissa, Greece. ahzibis@gmail.com
• Eur Spine J. 2013 May 1;22 Suppl 3:S434-8.

PurposeAcute calcific tendinitis of the longus colli muscle (or retropharyngeal tendinitis) is an aseptic inflammatory process characterized by acute posterior neck pain, neck stiffness and dysphagia or odynophagia. Awareness of its existence is crucial in the differential diagnosis, because many other conditions, such as retropharyngeal abscess, meningitis or disc herniation, show similar clinical features. We present a case exhibiting an uncommon symptom (torticollis) and a brief literature review to emphasize the risk of misdiagnosis.MethodsA 36-year-old woman presented with neck stiffness and torticollis accompanied by dysphagia and prevertebral space sensitivity on the second day.ResultsThe diagnosis was established by computed tomography (CT), the gold standard for identifying the presence of prevertebral oedema and calcific deposition associated with retropharyngeal tendinitis. Treatment with NSAIDs and low doses of corticosteroids relieved the symptoms within 48 h.ConclusionsRetropharyngeal tendinitis is an underreported entity in the literature and orthopaedists should become aware of its existence. Misdiagnosis of this important mimicker may lead to unnecessary antibiotics administration and interventions in the retropharyngeal space.

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