Myocardial infarction due to amphetamine.

Abstract

Our patient presented with typical features ofpyomyositis: fever, malaise, and a tender hard mass.Ultrasonography suggested either an abscess or a necrotic tumour, and the diagnosis was made by open biopsy.No causative organism was identified.He had none of the known risk factors.He was, however, positive for HIV antibodies, and associated immunosuppression was possibly a factor in the development of the muscle abscess, although at the time of writing he had not developed any further infections apart from oropharyngeal candidiasis.Pyomyositis has not been reported in association with HIV.Pyomyositis is uncommon in Britain and is not usually recognised.Familiarity with its features should result in the diagnosis being made more readily.It may prove to be a well recognised feature of infection with HIV and require differentiation from sarcoma.1 Gibson RK, Rosenthal SJ, Lukert BP.Pyomyositis: increasing recognition in temperate climates.