Focal myositis (FM): management
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Focal myositis (FM): management. Erythrocyte sedimentation rate (ESR): this is elevated. Fully referenced neurology checklist.
Blood investigations
- Creatinine kinase (CK): this is raised in only about 20% of cases
- Erythrocyte sedimentation rate (ESR): this is elevated
- Anti-nuclear antibody (ANA): this is positive
Electromyogram (EMG): features
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Magnetic resonance imaging (MRI) muscle
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Muscle ultrasound
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Muscle biopsy
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Treatment
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References
- Gallay L, Hot A, Petiot P, Thivolet-Bejui F, Maucort-Boulch D, Streichenberger N. Focal myositis: new insights on diagnosis and pathology. Neurology 2018; 90:e1013-e1020.
- Milani GP, Mazzoni MBM, Gatti H, Bertolozzi G, Fossali EF. Recurrent focal myositis in childhood: a case report and systematic review of the literature. Pediatr Neurol 2017; 71:77-81.e1.
- Streichenberger N, Meyronet D, Fiere V, Pellissier JF, Petiot P. Focal myositis associated with S-1 radiculopathy: report of two cases. Muscle Nerve 2004; 29:443-446.
- Devic P, Gallay L, Streichenberger N, Petiot P. Focal myositis: a review. Neuromuscul Disord 2016; 26:725-733.
- Fitas D, Monteiro A, Silveira F, Castro L, Carpenter S, Nadais G. Focal myositis with neurogenic atrophy: a case report. Clin Neuropathol 2018; 37:186-189.
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