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MR studies were correlated with biochemical results in nine children who presented with lactic acidosis and/or abnormal MR findings in the basal ganglia. Neurologic development was delayed in all nine children. Seven of these patients were diagnosed as having subacute necrotizing encephalomyelopathy (SNE, or Leigh syndrome) on the basis of history, clinical(More)
Andrew M. Demchuk, Lewis B. Morgenstern, Derk W. Krieger, T. Linda Chi, William Hu, Intracerebral Hemorrhage in Acute Ischemic Stroke Related − Serum Glucose Level and Diabetes Predict Tissue Plasminogen Activator Print ISSN: 0039-2499. Online ISSN: 1524-4628 Copyright © 1999 American Heart Association, Inc. All rights reserved. is published by the American(More)
Fourteen new cases of cytochrome oxidase (COX)-associated Leigh syndrome (LS) are combined with 20 reported cases to describe the clinical, laboratory, and radiological features of this devastating metabolic condition. Three clinical stages are identified. Most patients have normal neurological development during the first 8-12 months (stage I). Somatic(More)
Functional diffusion mapping (fDM) is a cancer imaging technique that quantifies voxelwise changes in apparent diffusion coefficient (ADC). Previous studies have shown value of fDMs in bevacizumab therapy for recurrent glioblastoma multiforme (GBM). The aim of the present study was to implement explicit criteria for diffusion MRI quality control and(More)
Surgical resection of spinal tumors involves complex reconstructive procedures. The stability and integrity of the surgical construct are evaluated with multidetector computed tomography (MDCT). As coregistration, or fusion, of different imaging modalities, especially positron emission tomography/computed tomography (PET/CT), is common practice, we sought(More)
Despite advances in neurosurgery, radiation oncology, and chemotherapy, the prognosis for glioblastoma multiforme remains poor, with a median survival time of 11-12 months. Cisplatin (cis-diamminedichlorideplatinum II) is one treatment for glioblastoma multiforme. Higher response rates have been achieved by intraarterial (i.a.) infusion than by systemic(More)
BACKGROUND RTOG 0625/ACRIN 6677 is a multicenter, randomized, phase II trial of bevacizumab with irinotecan or temozolomide in recurrent glioblastoma (GBM). This study investigated whether early posttreatment progression on FLAIR or postcontrast MRI assessed by central reading predicts overall survival (OS). METHODS Of 123 enrolled patients, 107 had(More)
BACKGROUND Use of general anaesthesia or deep sedation during magnetic resonance imaging (MRI) studies leads to pharyngeal muscle relaxation, often resulting in snoring and subsequent vibrations with head micromotion. Given that MRI is very susceptible to motion, this causes artifacts and image quality degradation. The purpose of our study was to determine(More)
Human erythropoietin in concert with intraoperative hemodilution, tumor embolization, and surgical staging was used to manage a red blood cell mass in an anemic Jehovah's Witness patient with a hypervascular meningioma. Erythropoietin (3000 U thrice weekly) and oral iron (1300 mg daily) were given for 1 month prior to surgery, raising the hemoglobin level(More)