Acute viral myositis:
Viral causes:
Influenza virus: Acute benign myositis or rhabdomyolysis.
Coxsackie B virus: Bornholm disease or epidemic myalgia
AIDS myopathy:
HIV associated myopathy: Similar to seronegative polymyositis
Muscle biopsy:
- HIV antigens in the endomysial and perivascular macrophages are usually present
- Muscle fibres express MHC-1 molecules
- Primary muscle lymphoma can occur in AIDS patients
Related articles:
- Myopathy,
- polymyositis, zidovudine myopathy, pyomyositis, toxoplasmic polymyositis, nemaline myopathy (acquired)