Phenotype #0000296381

Individual ID 00403686
Associated disease NDD
Diagnosis/Initial neurodevelopmental delay
Diagnosis/Definite DENNED
Phenotype details birth 41w, 5dweight 3700g (SD+1), length 50cm (SD+1.9), OGC32.5cm (SD-2); 17m weight 11.8kg (SD11–50th), length 79.5cm (SD3rd), OFC 40cm (SD−4) 33m-unchanged (SD−8); microcephaly, sloping forehead, large ears with fleshy lobules; no hearing loss; no congenital heart defect; ocular cataracts; profound psychomotor developmental delay; 18m-head control intermittent; not sitting; 33m-walk with walker; no speech; severe developmental delay/intellectual disability; cerebral visual impairment; hypotonic with brisk reflexes; hypertonia; axial hypotonia; no nystagmus; no stereotypies; no abnormal behaviour; infantile spasms, evolving into generalised tonic–clonic, tonic and startle seizures. Refractory to medication and ketogenic diet; EEG hypsarrhythmia; 7m-MRI-brain moderate dilation of the extra-axial CSF space and supratentorial ventricular system, reduction of the bulk of white matter and delayed myelination
Inheritance Familial, autosomal recessive
Age/Examination 00y33m (33 months)
Age/Diagnosis -
Age/Onset -
Phenotype/Onset -
Owner name Johan den Dunnen
Database submission license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 InternationalCreative Commons License
Created by Johan den Dunnen
Date created 2022-02-20 16:20:51 +01:00 (CET)
Date last edited 2024-11-08 11:20:20 +01:00 (CET)

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