N Razack

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Adrenal grafting for Parkinson's disease has led to modest functional improvement despite poor graft survival. One explanation is a neurotrophic response within the traumatized striatum. This study was undertaken to investigate the time course of the astrocytic response in vivo and in vitro, and the expression of ciliary neurotrophic factor (CNTF) mRNA(More)
OBJECTIVE AND IMPORTANCE Holocord intradural lipoma extending from the cervical to the lumbar spine is an exceedingly rare condition. An extensive review of the literature revealed that only eight other cases have been reported, and none occurred during the contemporary magnetic resonance imaging era. CLINICAL PRESENTATION A case of holocord intradural(More)
To evaluate the morphological and neurological findings in sacral spine injuries, a retrospective study was conducted of all patients admitted to Erie County Medical Center over a 2-year period with the diagnosis of pelvic or sacral injury. Of these 253 patients, 44 were found to have sacral fractures and form the basis of this study. The type of fracture,(More)
OBJECT The aim of this study was to determine the prevalence of cerebral saccular aneurysms in patients with persistent primitive trigeminal artery (PPTA). The prevalence of cerebral saccular aneurysms in patients with PPTA previously has been reported to be 14 to 32%, but this rate range is unreliable because it is based on collections of published case(More)
Split notochord syndrome includes a cleft of the vertebral column associated with malformation of the central nervous system. Fourteen cases involving the lumbosacral spine have been reported in the literature. We report on a female neonate who had intact function of her lower extremities, a posterior midline lumbar defect bounded by two complete spinal(More)
To evaluate the histopathology of Gelfoam on the cerebral vasculature, 42 Sprague-Dawley rats weighing 250 to 300 g received internal carotid artery infusions of 0.3 ml of Gelfoam solution (5 mg/ml) or normal saline (0.9%). The animals were killed at 1 hour, 5 hours, 3 days, 1 week, 2 weeks, and 4 weeks after the infusion. The brains were removed,(More)
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