A breast abscess is defined as a collection of infected fluid or pus within the breast.
Breast abscesses are mainly classified as “puerperal” (or “lactational”) – related to childbirth – and “non-puerperal.” In a non-puerperal context, the subareolar abscess is the most frequently observed. Other rarer situations include peripheral non-puerperal abscesses, neonatal infections, skin-associated infections, infections associated with breast surgery, with medical or non-medical procedures, and unusual infections. Abscesses represent 3–4% of all benign breast masses (Kasales et al. 2014).
In this chapter, we will detail the most frequent presentations of breast abscesses, namely, puerperal abscesses and non-puerperal periareolar or subareolar abscesses.
Puerperal abscess is the natural course of acute puerperal mastitis. It occurs at the end of pregnancy but especially during lactation. Clinically, it presents with the same symptoms...