Pyomyositis due to non-haemolytic streptococci

We present a unique case of a multifocal non-tropical pyomyositis due to no n-haemolytic streptococci in a 36-y-old woman. The initial infection was in an area of contused muscle in the left anterior thigh and spread to the co ntralateral femoral and gluteal musculature. There was a previous history o f Staphylococcus aureus pyomyositis and colitis ulcerosa. The patient was t reated successfully with surgical drainage and parenteral antibiotics.