Primary pyomyositis is a subacute deep bacterial infection of skeletal muscle. It is typically seen in tropical countries with Staphylococcus aureus being the commonest pathogen. Immunocompromised states and trauma are associated with cases in temperate climates where there is an increasing incidence, typically in children and young adults. However, the authors present a case of primary pyomyositis in a previously healthy 80-year-old female. The authors highlight the potential difficulties in early diagnosis of this rare condition in the UK indicating the need for early MRI imaging and the low sensitivity of blood cultures and serum creatine kinase measurements. Treatment, including early surgical drainage and appropriate antibiotic therapy, is discussed.
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Competing interests None.
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