Fig. 9From: Breast disease in the pregnant and lactating patient: radiological-pathological correlationa Mastitis: a 29-year-old lactating woman, presenting with breast pain and erythema. Ultrasound reveals skin thickening and no discrete abscess consistent with mastitis. Patient’s redness and pain resolved after treatment with antibiotics. b Breast abscess: a 39-year-old lactating woman with left breast erythema swelling and fever. Grey-scale ultrasound shows a multiloculated fluid collection with debris representing abscess. Aspiration yielded pus, and microbiology revealed MRSABack to article page