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GTR Home > Conditions/Phenotypes > Polyhydramnios, megalencephaly, and symptomatic epilepsy

Summary

A rare genetic neurological disorder with characteristics of pregnancy complicated by polyhydramnios, severe intractable epilepsy presenting in infancy, severe hypotonia, decreased muscle mass, global developmental delay, craniofacial dysmorphism (long face, large forehead, peaked eyebrows, broad nasal bridge, hypertelorism, large mouth with thick lips), and macrocephaly due to megalencephaly and hydrocephalus in most patients. Additional features that have been reported include cardiac anomalies like atrial septal defects, diabetes insipidus and nephrocalcinosis among others. [from SNOMEDCT_US]

Available tests

9 tests are in the database for this condition.

Check Related conditions for additional relevant tests.

Genes See tests for all associated and related genes

  • Also known as: LYK5, NY-BR-96, PMSE, STRAD, STRAD alpha, Stlk, STRADA
    Summary: STE20 related adaptor alpha

Clinical features

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