The nodule in the upper half of the picture is made largely of large cells with highly pleomorphic nuclei, prominent nucleoli, and mitoses. Hematoxylin, phloxine, and saffron stain.
Reproduced with permission from: Ioachim HL, Medeiros LJ. Ioachim's Lymph Node Pathology, 4th ed, Lippincott Williams & Wilkins, Philadelphia 2009. Copyright © 2009 Lippincott Williams & Wilkins.
www.lww.com.