Peptostreptococcus Joint Infection
Peptostreptococcus joint infection, a rare but significant cause of septic arthritis, arises from the infiltration of anaerobic gram-positive cocci into the synovial cavity. As a member of the commensal flora of the skin, gastrointestinal, and urogenital tracts, Peptostreptococcus spp. becomes pathogenic when introduced into sterile environments such as the synovial joint space, particularly following trauma,