Harel-Yoon syndrome
Harel-Yoon syndrome
Definition
A syndromic neurodevelopmental disorder characterized by delayed psychomotor development, intellectual disability, truncal hypotonia, spasticity, and peripheral neuropathy.
Also known as Harel-Yoon syndrome, Harel-Yoon syndrome; HAYOS, HAYOS, optic atrophy-peripheral neuropathy-developmental delay syndrome — per MONDO