Isolated tuberculosis myositis (ITBM)

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Isolated tuberculosis myositis (ITBM). This is tuberculosis primarily affecting muscle. Fully referenced neurology checklist.

Pathology

  • This is tuberculosis primarily affecting muscle
  • It affects about 2% of people with tuberculosis
  • It usually involves the lower limb muscles
  • The buttock and thigh are most frequently affected

Routes of infection

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Risk factors

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Clinical features

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Differential diagnosis

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Investigations

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Treatment

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Synonym

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References

  1. Kim JH, Lee JS, Choi BY, et al. Isolated tuberculous myositis: a systematic review and multicenter cases. J Rheum Dis 2022; 29:243-253.
  2. Wang JY, Lee LN, Hsueh PR, et al. Tuberculous myositis: a rare but existing clinical entity. Rheumatology (Oxford) 2003; 42:836-840.
  3. Azevedo VF, Parchen C, Coelho SA, Lacerda DC, Hirth CG. Tuberculous myositis in a patient with ankylosing spondylitis treated with adalimumab. Rheumatol Int 2009; 29:1381-1384.
  4. Modi MA, Mate AD, Nasta AM, Gvalani AK. Primary tuberculous pyomyositis of quadriceps femoris in an immunocompetent individual. Case Rep Infect Dis 2013; 2013:723879. 
  5. Thammaroj P, Panitchote A, Muktabhant C, Chowchuen P. Discrimination between tuberculous and bacterial pyomyositis in magnetic resonance features. Eur J Radiol Open 2020; 7:100214.
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