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SALLA DISEASE

SALLA DISEASE
SIALURIA, FINNISH TYPE
604369
OMIM = Online Mendelian Inheritance of Men
309334
Sialin
---
6q13
E77.8
rare (~ 90 cases, 1:7000 northern Finland)
autosomal recessive
mutation in the SLC17A5 gene
Sialic acid storage diseases:
- severe infantile form (ISSD, OMIM 269920)
- slowly progressive(Salla disease, OMIM 604369)

Laboratory findings    N-Acetylaspartylglutamate inc (cerebrospinal fluid)
    Sialic acid/N-Acetylneuraminic acid inc (urine)
    Sialic acid/N-Acetylneuraminic acid inc (fibroblasts)
Symptoms    ataxia
    athetosis
    coarse facial features
    defect of walking, running, rising or climbing
    developmental delay
    dysarthria
    EEG abnormalities [-]
    growth retardation, poor growth
    hepatomegaly (large liver)
    hernia
    hypertonia, spasticity
    hypotonia
    mental retardation
    motor retardation
    MRI, brain, abnormalities [-]
    normal at birth
    nystagmus
    onset, childhood
    onset, infancy
    seizures
    speech development, delayed, abnormal