More than any other organ of the body, the breasts represent the symbol of femininity for a woman. As with any part of the skin, they may be the seat of inflammatory, infectious, and/or tumor-related dermatoses. The severity of these dermatoses is related to the existence of an underlying malignant neoplasia with a risk of mastectomy, creating a high psychological impact. Through five observations, we discuss different diagnoses to be evoked in front of a breast dermatosis apart from the tumor pathology.