Lower half of the picture shows nodule composed of fairly homogenous population of cells slightly larger than lymphocytes (upper half) with cleaved nuclei, inconspicuous nucleoli, and lack of 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.