图示：干酪样坏死(右上角)
肉芽肿可以由结核分枝杆菌和其它的病原菌如：荚膜组织胞浆菌或新型隐球菌。
Granulomas caused by Mycobacterium tuberculosis and by pathogenic fungi such as Histoplasma capsulatum or Cryptococcus neoformans are often caseating. Here, the area of caseation is seen at the upper right.