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Septo-optic dysplasia
Relevant markers:
Communicating lateral ventriclesHypoplastic optic nervesSchizencephalyBilateral hypoplasia/atrophy of cerebellumHypotelorismParents markers:Agenesis of corpus callosum (ACC)VentriculomegalyCleft lipCleft in hard palate
Involved genes:
(gene — definition — chromosome)HESX1 — 3p14.3 Inheritance mode: AD, AR Other antenatal testing: - evaluation of maternal urine and serum estriol levels (low in SOD) - fetal blood assays for growth hormone, adrenocorticotropic hormone (ACTH) and prolactin (low in SOD) - search for optic nerve hypoplasia (MRI) Other online databases: OrphaNet, OMIM, Geneva Foundation Login for more details.