Rare diseases · Sign or symptom
Adenoma sebaceum
HP:0009720
What it means
The presence of a sebaceous adenoma with origin in the sebum secreting cells of the skin.
Facial angiofibromas, also known as adenoma sebaceum, are reddish papillary lesions (fibrous skin tumors) that are found around the nose, cheeks, and chin and considered to be characteristic of tuberous sclerosis.
Rare diseases that can present with this7
Very common80–99%
5The 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
Also called: Facial angiofibromas · Sebaceous adenoma · Sebaceous adenomas
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.