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To determine the incidence of retropharyngeal calcific tendinitis (longus colli tendinitis) in a general urban adult population. Observational study in a municipal medical center. Single tertiary referral center. All symptomatic patients with a differential diagnosis of retropharyngeal calcific tendinitis underwent fiber-optic assessment, laboratory studies, and imaging studies. The main outcome measure was the incidence of retropharyngeal calcific tendinitis. Thirteen patients with symptoms suggestive of retropharyngeal calcific tendinitis were evaluated in our institution between January 2008 and December 2011. Final diagnosis was made by means of a computed tomographic scan: 8 patients had retropharyngeal calcific tendinitis, 1 had retropharyngeal abscess, and the remaining 4 had other deep neck infections. The mean annual crude retropharyngeal calcific tendinitis incidence was 0.50 cases per 100,000 person-years, and the standardized incidence was 1.31 for the age-matched population. Retropharyngeal calcific tendinitis is not a rare disease and is probably underdiagnosed because symptoms are nonspecific, treating physicians are often unfamiliar with this entity, and it is a self-limiting pathology.


Gilad Horowitz, Oded Ben-Ari, Adi Brenner, Dan M Fliss, Oshri Wasserzug. Incidence of retropharyngeal calcific tendinitis (longus colli tendinitis) in the general population. Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery. 2013 Jun;148(6):955-8

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PMID: 23525848

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