Granulomatosis Non-caseating epithelioid cell granulomatosis 2013-03-30T07:04:43Z UMLS:C4022999 HP:0012220 The presence of multiple epithelioid cell granulomas consist of highly differentiated mononuclear phagocytes (epithelioid cells and giant cells) and lymphocytes, not exhibiting caseation (a form of necrosis in which the tissue changes into a dry, amorphous mass said to resemble cheese). This feature is a hallmark of sarcoidosis.