What's the noun for granulomas? Here's the word you're looking for.
granuloma
(pathology) an inflammatorynodule found in many diseases, consisting of histiocytes (macrophages) attempting to wall off substances they perceive as foreign but are unable to eliminate, such as certain infectious organisms as well as other materials such as suture fragments
“The granulomatous pattern showed a formation of multiple granulomata with various degrees of inflammatory cell infiltration.”
“This showed a reactive lymph node with prominent geminal centres and focal areas in keeping with necrotising granulomata.”
“The organism produces multiple necrotizing granulomata that will eventually destroy alveolar septa and produce bronchopneumonia, bronchitis, or tracheitis.”