Rare diseases · Sign or symptom
Non-caseating epithelioid cell granulomatosis
HP:0012220
What it means
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.
Rare diseases that can present with this2
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.