Sangkyoon Hong

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BACKGROUND PLA2G6-associated neurodegeneration (PLAN) encompasses infantile- or atypical neuroaxonal dystrophy, and adult-onset dystonia-parkinsonism. Examination of the intrafamilial phenotypic variability of PLAN by neuroimaging data and background genetic differences has not been reported. METHODS We report clinical, genetic (whole exome sequencing(More)
Familial hyperekplexia, also called startle disease, is a rare neurological disorder characterized by excessive startle responses to noise or touch. It can be associated with serious injury from frequent falls, apnea spells, and aspiration pneumonia. Familial hyperekplexia has a heterogeneous genetic background with several identified causative genes; it(More)
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