👉 Endomastoiditis is a type of inflammation in the breast and can affect any part of the breast, including the nipples. It is characterized by swelling, pain, redness, and tenderness around or just above the nipple. The exact cause of endomastoiditis is not fully understood, but it is often related to hormonal changes, pregnancy, and breastfeeding. In severe cases, endomastoiditis can lead to a condition called ductal carcinoma in situ (DCIS),
