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	题名	作者	年代	出处	被引量
1	Voxel-based analyses of magnetization transfer imaging of the brain in hepatic encephalopathy显示文摘AIM: To evaluate the spatial distribution of cerebral abnormalities in cirrhotic subjects with and without hepatic encephalopathy (HE) found with magnetization transfer imaging (MTI).METHODS: Nineteen cirrhotic patients graded from neurologically normal to HE grade 2 and 18 healthy control subjects underwent magnetic resonance imaging. They gave institutional-review-board-approved written consent. Magnetization transfer ratio (MTR) maps were generated from MTI. We tested for significant differences compared to the control group using statistical non-parametric mapping (SnPM) for a voxelbased evaluation.RESULTS: The MTR of grey and white matter was lower in subjects with more severe HE. Changes were found in patients with cirrhosis without neurological defi cits in the basal ganglia and bilateral white matter. The loss in magnetization transfer increased in severity and spatial extent in patients with overt HE. Patients with HE grade 2 showed an MTR decrease in white and grey matter: the maximum loss of magnetization transfer effect was located in the basal ganglia [SnPM (pseudo-)t = 17.98, P = 0.0001].CONCLUSION: The distribution of MTR changes in HE points to an early involvement of basal ganglia and white matter in HE.	Falk R Miese Hans-Jrg Wittsack Gerald Kircheis Arne Holstein Christian Mathys Ulrich Mdder Mathias Cohnen	2009	World Journal of Gastroenterology2009，15，41：	2
2	Diffusion-and perfusion-weighted MRI The DWI/PWI mismatch region in acute stroke显示文摘	Neumann Haefelin T Wittsack HJ Wenserski F		0，，：	1
3	Diffusion-and perfusion-weighted MRI in a patient with a prolonged reversible ischemic neurological deficit 显示文摘	Neumann-Haefelin T Wittsack HJ Wenserski F	2000	Neuroradiology2000，42，：	1
4	Diffusion and perfusion-weighted MRI:influence of severe carotid artery stenosis on the DWI/PWI mismatch in acute stroke显示文摘	Neumann-Haefelin T Wittsack HJ Fink GR	2000	Stroke2000，31，：	1
5	Metacarpophalangeal Joints in Rheumatoid Arthritis:Delayed Gadolinium-enhanced MR Imaging of Cartilage-A Feasibility Study显示文摘	Miese FR Ostendorf B Wittsack H J		Radiology0，，：	1
6	1H-MR Spectroscopy, Magnetization Transfer, and Diffusion-Weighted Imaging in Alcoholic and Nonalcoholic Patients with Cirrhosis with Hepatic Encephalopathy显示文摘	Miese F Kircheis G Wittsack H J	2006	AJNR2006，27，5：	1
7	Vertebral fractures in multiple myeloma:first results of assessment of fractures risk using dynamic contrast-enhanced magnetic resonance imaging显示文摘	Scherer A Wittsack HJ Strupp C	2002	Ann Hematol2002，81，9：	1
8	Human immunodeficiency virus 1-associated minor motor disorders:perfusion-weighted MR imaging and H MR spectroscopy显示文摘	Wenserski F von Giesen HJ Wittsack HJ	2003	Radiology2003，228，1：	1
9	Cerebral perfusion computerized tomography in vasospasm after subarachnoid hemorrhage: diagnostic value of MTT 显示文摘	Turowski B Haenggi D Wittsack J	2007	Rofo2007，179，8：	1
10	Diffusion-and perfusion-weighted MRI:influence of severe carotid artery Stenosis on the DWI/PWI mismatch in acute stroke显示文摘	Wittsack HJ Fink GR	2000	Stroke2000，31，：	1
11	Dynamic contrast-enhanced MRI for evaluating bone marrow microcirculation in malignant hematological diseases before and after thalidomide therapy显示文摘	Scherer A Strupp C Wittsack HJ	2002	Radiologe2002，42，3：	1
12	Dynamic MRI of the lumbar spine for the evaluation of microcirculation during anti-angiogenetic therapy in patients with myelodysplastic syndromes显示文摘	Scherer A Strupp C Wittsack HJ	2002	Rofo2002，174，2：	1
13	MR Imaging in acute stroke:diffusion-weighted and perfusion imaging parameters for predicting infarct size显示文摘	Ritzl A Fink GR	2002	Radiology2002，222，：	1
14	Functional activation within the PI-DWI mismatch region in recovery from ischemic stroke: preliminary observations显示文摘	Kleiser R Wittsack HJ Butefisch CM	2005	Neuroimage2005，24，2：	1
15	Multimodal metabolic imaging of cerebral gliomas: positron emission tomography with fluoroethyl-L-tyrosine and magnetic resonance spectroscopy 显示文摘	Floeth FW Pauleit D Wittsack H J et ol	2005	J Neurosurg2005，102，2：	1
16	Radiation exposure o patients in comprehensive computed tomography of the head in a- cute stroke显示文摘	Cohnen M Wittsack H J Assadi S	2006	AJNR2006，27，8：	1
17	Vertebral fractures in muliple myeloma:first results of assessment of fracture risk using dynamic contrast-enhanced magnetic resonance imaging显示文摘	Scherer A Wittsack HJ Strupp C	2002	Ann Hematol2002，81，9：	1
18	Peripheral blood levels of matrix metalloproteinase-9 predict lesion volume in acute stroke 显示文摘	Ulrich NH Dehmel T Wittsack H J	2013	Neurol Sei2013，34，：	1
19	Impact of blood flow on diffusion coefficients of the human kidney: A time-resolved ECG-triggered diffusion-tensor imaging (DTI) study at 3T 显示文摘	Heusch P Wittsack HJ Kr pil P	2013	J Magn Reson Imaging2013，137，1：	1
20	Diffusion-and perfusion-weighted MRI:influence of severe carotid artery stenosis on the DWI/PWI mismatch in acute stroke显示文摘	NEUMANN-HAEFELIN T WITTSACK H J FINK G R	2000	Stroke2000，31，6：	1

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