| PELIZAEUS MERZBACHER DISEASE | |
| PROTEOLIPID PROTEIN, MYELIN; PELIZAEUS-MERZBACHER SYNDROME | |
|
312080
OMIM = Online Mendelian Inheritance of Men | |
|
702 | |
| Myelin proteolipid protein | |
| --- | |
| Xp22.2 |
|
| E75.2 | |
| rare X-linked recessive mutation in the PLP1 gene 2 types: type I: Classical form, less severe with survival into adulthood type II: Connatal form, most severe with death in first decade | |
| Laboratory findings | N-Acetylaspartylglutamate inc (urine) |
| Symptoms | ataxia chorea or athetosis dysarthria dystonia EMG abnormalities [-] eye movements, abnormal fasciculations hearing defect, deafness hypertonia, spasticity hypotonia mental retardation microcephaly (<2 SD for age) motor retardation MRI, brain, abnormalities [-] nystagmus onset, childhood onset, infancy onset, neonatal optic atrophy progressive neurologic defect psychomotor retardation seizures stridor |