Courtesy of Hans E. Grossniklaus, MD.
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Ocular Pathology/Oncology
Granulomas. A, Numerous noncaseating granulomas (example circled), or “hard” tubercles, formed by aggregates of epithelioid histiocytes surrounded by a cuff of lymphocytes. B, Caseating granuloma (circle) with necrotic center (arrowhead).