Rarely microorganisms found in mastitis
- Salmonella species
- Mycobacterium tuberculosis
- Fungal mastitis - Candida albicans and Cryptococcus neoformans
Bacterial colonization of infant and breast occurs soon after birth which is mostly infected by
Commensal /non-pathogenic organisms enter the infant from the mother which is helpful in defense mechanism of the body, which is called bacterial interference.á
Epidemic puerperal mastitis occurs when the infant and the mother is exposed to unfamiliar or virulent microorganisms, it is an hospital acquired disease
Infection of microorganisms may occur by any one of the route
- Hematogenous spread by lactiferous ducts into lobe.
- Nipple fissures by entering the lymphatic system.