Clusters of epitheloid hisitocytes and lymphocytic infiltrate, prominent vessels and plasmacytosis in the interfollicular areas are also characteristic
Characterized by intense inferfollicular plasmacytois (some with Russell bodies) and the sinuses may contain neutrophils
follicular hyperplasia --> follicular involution --> lymphocyte depletion
(correlates with the degree of immunosuppression)
hyaline vascular and plasma cell
hyaline vascular more common
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