期刊
PEDIATRIC NEUROSURGERY
卷 46, 期 4, 页码 318-323出版社
KARGER
DOI: 10.1159/000320146
关键词
Central pontine myelinolysis; Extrapontine myelinolysis; DDAVP; Hyponatremia
Central pontine myelinolysis (CPM) and extrapontine myelinolysis (EPM) are dire neurological disorders, characterized by severe damage to the myelin sheath of neurons, which typically result from rapid correction or overcorrection of systemic hyponatremia. For many years, both conditions have been considered universally fatal, though survivors have been reported more recently. Pediatric cases are rare. We present a 13-year-old boy with panhypopituitarism secondary to repair of a nasofrontal encephalocele in infancy, managed on long-term corticosteroid, deamino arginine vasopressin and thyroid hormone. He presented with severe hyponatremia (116 mEq/l), which during correction rapidly and unexpectedly increased to 176 mEq/l, resulting in profoundly impaired consciousness. Brain imaging revealed multiple bilateral changes in the basal ganglia, thalamus, pons and cerebral white matter, consistent with both CPM and EPM. Malignant cerebellar edema necessitated emergent suboccipital craniectomy, with subsequent improvement in level of consciousness and imaging postoperatively. However, he succumbed to acute cardiorespiratory arrest 8 weeks later. Nine similar cases from the literature are reviewed. Copyright (C) 2010 S. Karger AG, Basel
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