Longus Colli Tendinitis: The Lost Twin of Retropharyngeal Abscess

Calcific Tendinopathy Atypically Located Outside the Rotator Cuff: A Systematic Review

BACKGROUND AND PURPOSE

Calcific tendinopathy is a common cause of painful shoulder easily identified with ultrasound or conventional radiography. Although the rotator cuff is by far the most common location of the disease and diagnostic or treatment strategies are well known in clinical practice, a lack of awareness characterizes the assessment of the other sites affected by this condition; consequently, the risk of underestimating the prevalence of atypical non-rotator cuff calcific tendinopathy is high. This may lead to expensive or invasive diagnostic exams and/or inappropriate treatment, whereas the condition is usually self-limited. The present study aims at analysing the frequency of calcific tendinitis in uncommon sites, in order to fill a gap in knowledge and awareness regarding non-rotator cuff calcific tendinopathy, thus avoiding improper clinical choices and helping to identify this condition.

METHODS

This systematic review was conducted following the PRISMA guidelines. We performed a search on Pubmed and Scopus databases concerning atypically sited extra-rotator cuff calcific tendinopathy published since 1950.

RESULTS

The research found a total of 267 articles and 793 non-rotator cuff cases of calcific tendinopathy registered. The spine (213 – 26.86%), foot and ankle (191 – 23.95%), and hip (175 – 22.06%) appeared to be the most common sites of calcific tendinopathy after the rotator cuff, whereas the longus colli C1-C2 (204 – 25.72%), Achilles (173 – 21.81%), and rectus femori (61 – 7.69%) were the most commonly affected tendons.

CONCLUSION

A better awareness of this condition in several different sites of the body than the rotator cuff could avoid unnecessary choices both in assessment and treatment.

Acute Calcific Tendinitis of the Longus Colli: Not All Retropharyngeal Fluid is an Abscess

OBJECTIVE

This report aimed to present a case of acute calcific tendinitis of the longus colli muscle as an uncommon cause of neck pain and dysphagia and is often misdiagnosed as a retropharyngeal abscess.

METHODS

Case report and literature review.

RESULTS

Acute calcific tendinitis is often misdiagnosed as a retropharyngeal abscess; however, it is distinguished from the latter based on patient history and unique radiologic findings. History, examination, and laboratory findings do not suggest an infectious etiology, and radiographic findings include a non-rim-enhancing fluid collection with or without calcifications anterior to the upper cervical spine.

CONCLUSION

Unlike retropharyngeal abscess, acute calcific tendinitis is managed conservatively. When consulted for a possible retropharyngeal abscess, the otolaryngologist should avoid anchoring bias by independently obtaining a detailed history and examination and personally reviewing radiologic images to avoid unnecessary intervention.