Definition
See the list below:
Granuloma – Focal collection of inflammatory cells at sites of tissue infection and includes activated macrophages (epithelioid cells), Langhans’ giant cells, and lymphocytes.
Caseation necrosis – Regions in granulomas with eosinophilic, granular, and friable (cheeselike) cellular debris with necrosis
Granulomatous inflammation – A distinctive pattern of chronic inflammatory reaction characterized by focal accumulation of activated macrophages (epithelioid histiocytes)