A Case of Granulomatosis with Polyangiitis with Various Breast Lesions as the Initial Symptoms: A Case-Based Review

Figure 4

Histopathological findings of the biopsy of the nodule in the right breast. Lymphocyte-dominant inflammatory cell infiltration and granulomas with polynuclear giant cells (arrow) are visible around the blood vessels in the subcutaneous fat layer with hematoxylin and eosin staining (a). Verhoeff’s Van Gieson staining shows destruction of the elastic plate (b) (arrowheads).

(a)

(b)