Breast Mass and Lytic Bone Lesions: A Rare Presentation of Non-Hodgkin’s Lymphoma Arising in the Breast

Figure 3

Ultrasound guided core biopsy. (a) Hematoxylin and eosin-stained section shows core needle core biopsy with dense infiltrate of atypical lymphocytes with no residual normal breast tissue being identified (20x). (b) High magnification to demonstrate sheets of large transformed cells with round to irregular nuclei, dispersed chromatin, and prominent nucleoli (400x). Immunohistochemistry stains for (c) CD3; (d) CD20; (e) Ki-67.