A case of pneumococcal pyomyositis of the brachial and shoulder region
is presented, A bacteremic right lower lobe pneumonia was the source
of infection. The spread of pneumococci was presumed to be blood-borne
, presenting with cellulitis over the right shoulder region, progressi
ng over 5 days to abscess formation in the right biceps muscle and rig
ht shoulder joint despite adequate antibiotic treatment.