Rare Species of Actinomyces as Causative Pathogens in Breast Abscess

Actinomyces species are commensal flora usually found in the oropharynx, gastrointestinal tract, and female genital tract. Primary actinomycosis of the breast is an unusual condition, where the most commonly isolated pathogen has been Actinomyces israelii. In recent years, other Actinomyces strains have been found associated with breast disease. We present the first reported cases of breast infection caused by the rare species, Actinomyces...