Abstract
We report the case of a previously healthy child presenting at 6 months of age with mild feeding difficulties and then developing hypotonia, progressive bulbar palsy with respiratory compromise and lower motor neuron signs, causing her to spend 4 months in the Paediatric Intensive Care Unit.Neurophysiological studies demonstrated a motor neuronopathy involving anterior horn cells and cranial nerve nuclei and abnormal brainstem auditory evoked potentials, leading to a diagnosis of Brown-Vialetto-van Laere Syndrome, confirmed by genetic testing (SLC52A3). Magnetic Resonance Imaging showed signal changes in the dorsal column of the spinal cord. She developed a coarse face and abnormal hair pattern.Sustained clinical improvement has been observed during almost 4 years of high-dose riboflavin therapy.
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