Trait
Putaminal eye sign
An imaging anomly of the putamen that is thought to be pathognomic for MEGDEL syndrome (3-MethylGlutaconic aciduria, Deafness, Encephalopathy, Leigh-like syndrome MIM #614739). In stage 1 of the disease, T2 signal changes of the pallidum are present. In stage 2, swelling of the putamen and caudate nucleus is seen. The dorsal putamen contains an eye that shows no signal alteration and (thus) seems to be spared during this stage of the disease. It later increases, reflecting progressive putaminal involvement. Sparing of the mid dorsal putamen (showing normal signal surrounded by T2 hyperintense signal) is referred to as the putaminal eye.
Summary
- Body system
- Abnormality of the nervous system
Reference genomeGRCh38hg38
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Get my Genome Test1 gene linked to Putaminal eye sign
Changes in these genes cause rare conditions in which Putaminal eye sign 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 |
|---|---|---|
| SERAC1serine active site containing 1 | Always | 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
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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