Fig. 4From: Kikuchi-Fujimoto disease (histiocytic necrotizing lymphadenitis) with atypical encephalitis and painful testitis: a case reportBrain biopsy shows an abundance of CD68+ macrophages and histiocytes, as in the cervical lymph node. [hematoxylin-eosin × 40 (left), anti-CD68 (right)]Back to article page