Histopathology of lupus vulgaris

(A) A tuberculoid granuloma consisting of histiocytes surrounded by lymphocytes (black arrow). There is a zone of necrosis (white arrow). Moderately dense, diffuse, inflammatory infiltrate of lymphocytes (dashed arrow).
(B) A close-up view of granuloma shows collection of histiocytes and multinucleated giant cells (black arrow) surrounded by a rim of lymphocytes (dashed arrow). There is a zone of necrosis (white arrow).