Search Results - "Heiserman, J. E."

Relative Cerebral Blood Volume Values to Differentiate High-Grade Glioma Recurrence from Posttreatment Radiation Effect: Direct Correlation between Image-Guided Tissue Histopathology and Localized Dynamic Susceptibility-Weighted Contrast-Enhanced Perfusion MR Imaging Measurements by Hu, L.S, Baxter, L.C, Smith, K.A, Feuerstein, B.G, Karis, J.P, Eschbacher, J.M, Coons, S.W, Nakaji, P, Yeh, R.F, Debbins, J, Heiserman, J.E

“…Differentiating tumor growth from posttreatment radiation effect (PTRE) remains a common problem in neuro-oncology practice. To our knowledge, useful threshold…”
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Correlations between Perfusion MR Imaging Cerebral Blood Volume, Microvessel Quantification, and Clinical Outcome Using Stereotactic Analysis in Recurrent High-Grade Glioma by HU, L. S, ESCHBACHER, J. M, NAKAJI, P, DEBBINS, J, FEUERSTEIN, B. G, BAXTER, L. C, DUECK, A. C, HEISERMAN, J. E, LIU, S, KARIS, J. P, SMITH, K. A, SHAPIRO, W. R, PINNADUWAGE, D. S, COONS, S. W

“…Quantifying MVA rather than MVD provides better correlation with survival in HGG. This is attributed to a specific "glomeruloid" vascular pattern, which is…”
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Optimized Preload Leakage-Correction Methods to Improve the Diagnostic Accuracy of Dynamic Susceptibility-Weighted Contrast-Enhanced Perfusion MR Imaging in Posttreatment Gliomas by Hu, L.S, Baxter, L.C, Pinnaduwage, D.S, Paine, T.L, Karis, J.P, Feuerstein, B.G, Schmainda, K.M, Dueck, A.C, Debbins, J, Smith, K.A, Nakaji, P, Eschbacher, J.M, Coons, S.W, Heiserman, J.E

“…Relative cerebral blood volume (rCBV) accuracy can vary substantially depending on the dynamic susceptibility-weighted contrast-enhanced (DSC) acquisition and…”
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Cerebral MR Venography: Normal Anatomy and Potential Diagnostic Pitfalls by Ayanzen, R. H, Bird, C. R, Keller, P. J, McCully, F. J, Theobald, M. R, Heiserman, J. E

“…MR venography is often used to examine the intracranial venous system, particularly in the evaluation of dural sinus thrombosis. The purpose of this study was…”
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Surgical management of spinal epidural hematoma : relationship between surgical timing and neurological outcome by LAWTON, M. T, PORTER, R. W, HEISERMAN, J. E, JACOBOWITZ, R, SONNTAG, V. K. H, DICKMAN, C. A

“…Thirty patients were treated surgically for spinal epidural hematoma (SEH). Twelve of these cases resulted from spinal surgery, seven from epidural catheters,…”
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Differentiating recurrent tumor from radiation necrosis: time for re- evaluation of positron emission tomography? by Ricci, PE, Karis, JP, Heiserman, JE, Fram, EK, Bice, AN, Drayer, BP

“…Our purpose was to evaluate the ability of FDG PET to differentiate recurrent tumor from posttherapy radiation necrosis. MR images, PET scans, and medical…”
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Evidence for Cytotoxic Edema in the Pathogenesis of Cerebral Venous Infarction by Forbes, Kirsten P.N, Pipe, James G, Heiserman, Joseph E

“…The pathogenesis of cerebral venous infarction (CVI) remains controversial, with uncertainty over whether cytotoxic edema plays a role. Recent animal studies…”
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Reevaluating the imaging definition of tumor progression: perfusion MRI quantifies recurrent glioblastoma tumor fraction, pseudoprogression, and radiation necrosis to predict survival by Hu, Leland S, Eschbacher, Jennifer M, Heiserman, Joseph E, Dueck, Amylou C, Shapiro, William R, Liu, Seban, Karis, John P, Smith, Kris A, Coons, Stephen W, Nakaji, Peter, Spetzler, Robert F, Feuerstein, Burt G, Debbins, Josef, Baxter, Leslie C

“…Contrast-enhanced MRI (CE-MRI) represents the current mainstay for monitoring treatment response in glioblastoma multiforme (GBM), based on the premise that…”
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Hypothalamic Hamartomas: Correlation of MR Imaging and Spectroscopic Findings with Tumor Glial Content by Amstutz, D.R, Coons, S.W, Kerrigan, J.F, Rekate, H.L, Heiserman, J.E

“…There is variability in the literature concerning the appearance and histology of hypothalamic hamartomas. This study correlates the MR imaging and proton MR…”
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Neurologic complications of cerebral angiography by Heiserman, JE, Dean, BL, Hodak, JA, Flom, RA, Bird, CR, Drayer, BP, Fram, EK

“…To examine the incidence of neurologic complications associated with modern cerebral angiography and to assess patient characteristics associated with an…”
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Diffusion-weighted imaging provides support for secondary neuronal damage from intraparenchymal hematoma by FORBES, K. P, PIPE, J. G, HEISERMAN, J. E

“…It is controversial whether an intracerebral hematoma (ICH) causes ischemia of surrounding brain. By virtue of its high sensitivity to acute cerebral…”
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Intracranial vascular stenosis and occlusion: evaluation with three-dimensional time-of-flight MR angiography by Heiserman, J E, Drayer, B P, Keller, P J, Fram, E K

“…To assess the usefulness of magnetic resonance (MR) angiography in the characterization of intracranial arterial stenosis and occlusion, a three-dimensional…”
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Effect of Voxel Position on Single-Voxel MR Spectroscopy Findings by Ricci, Peter E, Pitt, Alan, Keller, Paul J, Coons, Stephen W, Heiserman, Joseph E

“…Single-voxel MR spectroscopy is a widely used tool for evaluating brain tumors. Although extensive data are available on the MR spectral appearance of tumors,…”
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MR angiography for the diagnosis of vasospasm after subarachnoid hemorrhage. Is it accurate? Is it safe? by Heiserman, J E

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Incidence of Postangiographic Abnormalities Revealed by Diffusion-Weighted MR Imaging by Britt, Peter M, Heiserman, Joseph E, Snider, Robb M, Shill, Holly A, Bird, C. R, Wallace, Robert C

“…Occasionally we have observed anecdotal cases of asymptomatic hyperintensities on diffusion-weighted MR (DW-MR) examinations of the brain of patients who…”
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Carotid artery stenosis: clinical efficacy of two-dimensional time-of-flight MR angiography by Heiserman, J E, Drayer, B P, Fram, E K, Keller, P J, Bird, C R, Hodak, J A, Flom, R A

“…To assess the clinical efficacy of two-dimensional time-of-flight magnetic resonance (MR) angiography in the evaluation of carotid artery stenosis, a group of…”
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Silent embolism after cerebral angiography—what harm? by Heiserman, Joseph E

“…Magnetic-resonance (MR) diffusion-weighted images are used in the detection of acute cerebral infarction. Heiserman discusses the changes in diffusion-weighted…”
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Assessment of Silent Embolism from Carotid Endarterectomy by Use of Diffusion-weighted Imaging: Work in Progress by Forbes, Kirsten P.N, Shill, Holly A, Britt, Peter M, Zabramski, Joseph M, Spetzler, Robert F, Heiserman, Joseph E

“…Transcranial Doppler studies have suggested that microemboli are released into the arterial circulation during the majority of carotid endarterectomy (CEA)…”
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The roles of MR angiography, CT angiography, and sonography in vascular imaging of the head and neck by BRANT-ZAWADZKI, M, HEISERMAN, J. E

“…Studying the cervicocranial vasculature in a noninvasive fashion has been a major focus of imaging technology for some time. Over the past two decades, a…”
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Serial magnetic resonance imaging in isolated angiitis of the central nervous system by TAJAMMUL EHSAN, SHABIH HASAN, POWERS, J. M, HEISERMAN, J. E

“…Isolated angiitis of the central nervous system (IACNS) is a rare form of vasculitis restricted to the CNS. We report serial MRI findings in a biopsy-proven…”
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