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Journals and Conferences
BACKGROUND AND PURPOSE To examine the distributions of proton magnetic resonance spectroscopy (MRS) observed metabolites in Parkinson's disease (PD) throughout the whole brain. METHODS Twelve PD patients and 18 age-matched controls were studied using neuropsychological testing, MRI and volumetric MR spectroscopic imaging. Average values of signal… (More)
In the case presented, bilateral optic canal meningiomas produced binocular visual loss. Correct diagnosis was delayed because of inadequate and misinterpreted radiological studies. Careful radiological and surgical examination of the planum sphenoidale later suggested this as the source of both canalicular masses. The pertinent aspects of this case are… (More)
This article discusses infectious and inflammatory processes of the cervical spine. Major emphasis is placed on infectious discitis/osteomyelitis and epidural abscess, particularly the epidemiologic, bacteriologic, pathophysiologic, and clinical aspects, as well as the major role played by magnetic resonance imaging and other imaging modalities used in the… (More)
The human immunodeficiency virus (HIV) responsible for AIDS is reaching epidemic proportions in the United States and Europe. As new therapeutic modalities against HIV are uncovered and applied to treat prophylactically asymptomatic and therapeutically symptomatic HIV positive patients, imaging studies are no longer used just to characterize the… (More)
The computed tomographic (CT) features of nine documented cases of spinal tuberculosis are analyzed. The mechanisms of vertebral involvement are reviewed. The ability of CT to facilitate the diagnosis as well as to delineate the extent of soft tissue involvement is emphasized. The need for increased alertness to the diagnosis of tuberculosis is stressed.
The CT findings in 16 patients with nontuberculous spinal infections were reviewed. The specificity of certain CT features as well as the usefulness of intravenous contrast medium administration are discussed. The associated clinical presentations and predisposing factors are outlined. Emphasis is placed on a combined clinical, radiographic approach in… (More)
A series of 16 patients with unilateral ophthalmoplegia due to mass lesions of the cavernous sinus was analyzed; there were six cavernous meninglomas and nine intracavernous aneurysms. All meningiomas were characterized by painless, insidiously progressive partial nerve palsies, as were half of the aneurysms; the remaining aneurysm patients experienced… (More)
A29-year-oldright-handedhuman immunodeficiencyvirus (HIV)– seropositive (CD4 lymphocyte nadir, 7/mm 3) woman commenced antiretroviral therapy (emtricitabine, 200 mg; tenofovir, 300 mg; and efavirenz, 600mg, once a day) in December 2011. In February 2012, shedevelopedheadacheandhearing impairment,whichprogressed tocompletedeafnessover3weeks. She reported… (More)
Introduction of metrizamide into the lumbar subarachnoid space with the patient in a prone 15-20 degree head-down position improves delivery of contrast material for cervical myelography. Excellent visualization of the spinal cord and nerve roots has resulted using this technique.