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OBJECT Some patients presenting with neurological symptoms and normal findings on imaging studies may harbor occult brain tumors that are undetectable on initial imaging. The purpose of this study was to analyze the cases of occult brain tumors reported in the literature and to determine their modes of presentation and time to diagnosis on imaging studies.(More)
Approximately 25-30% of patients referred to epilepsy centers for refractory epilepsy are found to have nonepileptic seizures (NES). In many cases psychological assessments are performed to evaluate for underlying psychiatric disorders. The authors analyzed the clinical features of 23 patients with NES and correlated the features with underlying(More)
BACKGROUND It is appropriate to investigate and to determine survival trends following glioblastoma multiforme treatment using resective surgery, radiation therapy, and/or chemotherapy in patients aged 59 years and higher. METHODS We retrospectively reviewed 30 elderly patients (> or =59 years old) who were treated for histopathologically confirmed(More)
OBJECT A dural tear resulting in a cerebrospinal fluid (CSF) leak is a well-known risk of lumbar spinal procedures. The authors hypothesized that the incidence of CSF leakage is higher in cases involving repeated operations and those in which the surgeon performing the surgery is less experienced; however, they postulated that the overall outcome of the(More)
OBJECTIVE Ventriculoperitoneal (VP) shunt surgery is the predominant mode of therapy for patients with hydrocephalus. However, it has potential complications that may require multiple surgical procedures during a patient's lifetime. The objective of this study is to review our long-term experience and evaluate the risk factors for VP shunt failure after(More)
Oxidative stress-induced decrease in tissue or systemic glutathione (GSH) and damage to the vascular endothelium of the blood-brain barrier such as occurs in diabetes or stroke will have important implications for brain homeostasis. Endothelial proliferation or repair is crucial to preserving barrier function. Cell proliferation has been associated with(More)
BACKGROUND Ventriculoperitoneal shunting remains the most widely used neurosurgical procedure for the management of hydrocephalus, albeit with many complications. OBJECTIVE To review and assess the long-term clinical outcome of ventriculoperitoneal shunt surgery in adult transition patients with pediatric-onset hydrocephalus. METHODS Patients 17 years(More)
OBJECTIVE Infection remains the most significant complication of ventriculoperitoneal shunt surgery and the reported rates of cerebrospinal fluid shunt infection vary widely across studies in patients with hydrocephalus. The objective of this study is to review and evaluate the infections complicating ventriculoperitoneal shunt surgery in patients with(More)
BACKGROUND Trigeminal neuralgia (TN) is a painful condition of controversial origin; however, vascular compression of the root entry zone of the trigeminal nerve is thought to be responsible in some cases. Recently, stereotactic radiosurgery has been established as an alternative treatment for medically intractable TN. METHODS Forty patients with(More)
OBJECT There are various surgical treatment alternatives for trigeminal neuralgia (TN), but there is no single scale that can be used uniformly to assess and compare one type of intervention with the others. In this study the objectives were to determine factors associated with pain control, pain-free survival, residual pain, and recurrence after gamma(More)