Figure 3
Pathologic specimens of breast panniculitis with vasculitis from the excisional biopsy. a. and b. Histologic section shows primarily fibroadipose tissue within the right breast with chronic inflammatory cells infiltration and fibrotic change. (hematoxylin & eosin, original magnification, 40× and 100×). c. Chronic inflammatory cells infiltrate around and in a small vessel with the lumen obliterated (hematoxylin & eosin, original magnification, 100×). d. A vasculitis involves a medium size artery and small vessels (Elastic van Gieson stain, original magnification, 100×).