Trait

Palpebral thickening

An increased thickness of the eyelid not related to acute inflammation.

HPO HP:0030939

Also called: Eyelid thickening, Thick eyelids, Thickened but nonswollen eyelids, Thickened eyelid
Body system: Abnormality of head or neck

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8 genes linked to Palpebral thickening

Changes in these genes cause rare conditions in which Palpebral thickening is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.

Gene	How often it is seen	Conditions
ANTXR1ANTXR cell adhesion molecule 1	Always	In 1 condition
BRAFB-Raf proto-oncogene, serine/threonine kinase	Always	In 3 conditions
KRASKRas proto-oncogene, GTPase	Often (30–79%)	In 1 condition
MAP2K1mitogen-activated protein kinase kinase 1	Often (30–79%)	In 1 condition
MAP2K2mitogen-activated protein kinase kinase 2	Often (30–79%)	In 1 condition
TASP1taspase 1	Often (30–79%)	In 1 condition
DPYDdihydropyrimidine dehydrogenase	Sometimes (5–29%)	In 1 condition
NAA10N-alpha-acetyltransferase 10, NatA catalytic subunit	Not recorded	In 1 condition

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Broader traits

Abnormality of the eyelid

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
Data release 2026.10.16-c6eea6bf.

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