Rare diseases · Sign or symptom
Congenital hypertrophy of retinal pigment epithelium
HP:0007649
What it means
Sharply demarcated, congenital hyperpigmentation of the retinal pigment epithelium. It can be solitary, clustered or multifocal, uni- or bilateral.
This feature is found in around 1-2% of the population and is of no functional significance.
Rare diseases that can present with this3
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, and Orphanet separately records 1 disease where this sign is specifically absent. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
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.