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GTR Home > Conditions/Phenotypes > Microcephaly, cataracts, impaired intellectual development, and dystonia with abnormal striatum

Summary

The MCIDDS syndrome is characterized by microcephaly and growth retardation, congenital cataracts, impaired intellectual development with attention deficit-hyperactivity disorder, and dystonia, with striatal thinning seen on MRI (Al-Owain et al., 2013). [from OMIM]

Genes See tests for all associated and related genes

  • Also known as: HBK4, HK1, HPCN2, HUKII, KCNA4L, KCNA8, KV1.4, MCIDDS, PCN2, KCNA4
    Summary: potassium voltage-gated channel subfamily A member 4

Clinical features

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