| Phenotype details |
brith 40w, weight 3,640 g, length 53 cm, OFC 34.5 cm; absent speech; delayed gross motor development; delayed fine motor milestones; severe neurodegenerative disease since infancy, severe intellectual disability, no IQ measurable; myoclonic seizures; no autism; hypotonia; MRI brain decreased volume of corpus callosum, small anterior commissure, prominent ventricles, subtle interdigitation of interomedial frontal gyri, rotated small cerebellar hemispheres rotated small vermis, small pons, medulla and middle cerebellar peduncles, small rounded hippocampi, plagiocephaly, small temporal tips, uncovered insula; no behavior abnormalities; infancy failure to thrive; feeding problems, G-tube; dysmotility, difficulty swallowing, constipation; hypoventilation, nasal cannula while asleep; 6y-blindness impairment; 1y-hearing impairment (deaf aid); no dysmorphic features, only secondary due to spasticity; no congenital anomalies; muscle biopsy high variation of the fiber size and round structures in nerve fascicles, expression of MHC-neonatal; estrogen deficiency, no menarche; 2012 skin biopsy (neuropathology Charité Berlin): suspicion of Morbus Cori (glycogenosis 3), Lafora disease (unconfirmed) |