A complex neurodevelopmental disorder caused by variation in DHX30. Individuals with variants in DHX30 have been found to have variable presentations including intellectual disability, delayed or absent speech development, delayed motor development, hypotonia, feeding difficulties, and ataxic gait or the inability to walk. Other phenotypic features commonly reported include sleep disorders, autistic features, seizures, and joint hypermobility
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microcephaly and chorioretinopathy
MONDO:0000181
pervasive developmental disorder
MONDO:0000594
microcephaly with or without chorioretinopathy, lymphedema, or intellectual disability
MONDO:0007918
autosomal dominant primary microcephaly
MONDO:0007988
Prader-Willi syndrome
MONDO:0008300
Smith-Magenis syndrome
MONDO:0008434