To the Editor.—In the September issue of the Archives (107:398-401, 1973) Ekland and Zeigler report 12 peripheral breast abscesses. Apparently, there was no evidence of introduction of pathogenic bacteria from an outside source in any of these cases. The authors state that antibiotic therapy is not a decisive factor in treatment. The following history suggests that this may not always be the case.
Report of a Case
During the second trimester of her second pregnancy, a healthy, 24-year-old woman had a 24-hour history of increasing right breast soreness, malaise, and fever. The right breast was engorged and reddened with tenderness in the upper outside quadrant. Minimal purulent material was milked from the nipple. Culture revealed coagulase-positive Staphylococcus aureus. No fluctuation was detected. All signs and symptoms disappeared within 72 hours of oral administration of ampicillin trihydrate. Despite continuation of the antibiotic for ten days, the right mastitis recurred two