高倍镜示肉芽肿边缘。右上部是无定形的粉红色干酪样坏死物，它由肉芽肿坏死成分以及感染的微生物构成。此区由炎症成分围成环状，这些成分包括上皮样细胞，淋巴细胞，成纤维细胞。
The edge of a granuloma is shown here at high magnification. At the upper right is amorphous pink caseous material composed of the necrotic elements of the granuloma as well as the infectious organisms. This area is ringed by the inflammatory component with epithelioid cells, lymphocytes, and fibroblasts.
