Lymph node biopsy from a patient with chronic lymphocytic leukemia. At low magnification (A), there is a vaguely nodular (pseudofollicular) pattern. Higher magnification (B) shows a predominance of small lymphocytes with scattered larger cells known as prolymphocytes and paraimmunoblasts.
Reproduced with permission from: Armitage JO, Mauch PM, Harris NL, et al. Non-Hodgkin Lymphomas, 2nd ed, Lippincott Williams & Wilkins, Philadelphia 2010. Copyright © 2010 Lippincott Williams & Wilkins.
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