Tuberculosis of acromioclavicular joint: a case report
Osteoarticular tuberculosis is a great masquerader presenting in varied forms and in atypical locations, and it is prone to misdiagnosis and missed diagnosis. Isolated acromioclavicular joint tuberculosis has been reported rarely. The present case has been reported in the journal BMC Infectious Diseases.

A 19-year-old man presented with a chronic, mild pain, non-healing ulcer in right shoulder. Imaging of the shoulder revealed destruction of the acromioclavicular joint and histopathology confirmed the diagnosis of acromioclavicular tuberculosis.

The patient underwent debridement, synovectomy and drainage of the abscess and recovered well with antitubercular therapy postoperatively.

Lessons learnt:-
- For unexplained joint swelling and chronic shoulder pain, it is essential to keep tuberculosis in mind when conventional treatment is ineffective.

- This case demonstrates how clinical index of suspicion, appropriate and timely imaging examinations, and prompt surgical intervention result in optimum outcome.

- It can be said that in an endemic country, osteoarticular tuberculosis should be considered as a differential diagnosis in all atypical presentations in order to make early diagnosis which avoids residual problems.

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