TY - JOUR A1 - Fitzek, S. A1 - Smesny, S. A1 - Fitzek, Clemens A1 - Axer, H. A1 - Wohlfarth, M. A1 - Vieweg, U. A1 - Witte, O. W. T1 - Organic bipolar disorder occurring together with spontaneous intracranial hypotension JF - Psychiatry research Y1 - 2004 U6 - https://doi.org/10.1016/j.pscychresns.2004.01.006 SN - 0165-1781 (Print) SN - 1872-7123 (Electronic) VL - 131 IS - 2 SP - 177 EP - 183 ER - TY - JOUR A1 - Hegemann, S. A1 - Fitzek, S. A1 - Fitzek, Clemens A1 - Fetter, M. T1 - Cortical vestibular representation in the superior temporal gyrus JF - Journal of vestibular research : equilibrium & orientation Y1 - 2004 SN - 0957-4271 (Print) SN - 1878-6464 (Electronic) VL - 14 IS - 1 SP - 33 EP - 35 ER - TY - JOUR A1 - Grässel, D. A1 - Ringer, T.M. A1 - Fitzek, Clemens A1 - Fitzek, S. A1 - Kohl, M. A1 - Kaiser, W.A. A1 - Witte, O.W. A1 - Axer, H. T1 - Wallerian degeneration of pyramidal tract after paramedian pons infarct JF - Cerebrovascular diseases Y1 - 2010 U6 - https://doi.org/10.1159/000319573 SN - 1015-9770 (Print) SN - 1421-9786 (Electronic) VL - 30 IS - 4 SP - 380 EP - 388 ER - TY - JOUR A1 - Fitzek, S. A1 - Fitzek, Clemens A1 - Marx, J. A1 - Speckter, H. A1 - Urban, P. P. A1 - Thömke, F. A1 - Stoeter, P. A1 - Hopf, H. C. T1 - Blink reflex R2 changes and localisation of lesions in the lower brainstem (Wallenberg's syndrome): an electrophysiological and MRI study JF - Journal of neurology, neurosurgery, and psychiatry Y1 - 1999 UR - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1736618/pdf/v067p00630.pdf U6 - https://doi.org/10.1136/jnnp.67.5.630 SN - 0022-3050 (Print) SN - 1468-330X (Electronic) VL - 67 IS - 5 SP - 630 EP - 636 ER - TY - JOUR A1 - Urban, P. P. A1 - Hansen, C. A1 - Baumgärtner, U. A1 - Fitzek, S. A1 - Marx, J. A1 - Fitzek, Clemens A1 - Treede, R. D. A1 - Hopf, H. C. T1 - Abolished laser-evoked potentials and normal blink reflex in midlateral medullary infarction JF - Journal of neurology Y1 - 1999 U6 - https://doi.org/10.1007/s004150050361 SN - 0340-5354 (Print) SN - 1432-1459 (Electronic) VL - 246 IS - 5 SP - 347 EP - 352 ER - TY - JOUR A1 - Fitzek, Clemens A1 - Tintera, J. A1 - Müller-Forell, W. A1 - Urban, P. A1 - Thömke, F. A1 - Fitzek, S. A1 - Hopf, H. C. A1 - Stoeter, P. T1 - Differentiation of recent and old cerebral infarcts by diffusion-weighted MRI JF - Neuroradiology Y1 - 1998 U6 - https://doi.org/10.1007/s002340050683 SN - 0028-3940 (Print) SN - 1432-1920 (Electronic) VL - 40 IS - 12 SP - 778 EP - 782 ER - TY - JOUR A1 - Fitzek, S. A1 - Fitzek, Clemens A1 - Huonker, R. A1 - Reichenbach, J. R. A1 - Mentzel, H. J. A1 - Witte, O. W. A1 - Kaiser, W. A. T1 - Event-related fMRI with painful electrical stimulation of the trigeminal nerve JF - Magnetic resonance imaging Y1 - 2004 U6 - https://doi.org/10.1016/j.mri.2003.08.031 SN - 0730-725X (Print) SN - 1873-5894 (Electronic) VL - 22 IS - 2 SP - 205 EP - 209 ER - TY - JOUR A1 - Fitzek, Clemens A1 - Fitzek, S. A1 - Stoeter, P. T1 - Bilateral Wallerian degeneration of the medial cerebellar peduncles after ponto-mesencephalic infarction JF - European journal of radiology Y1 - 2004 U6 - https://doi.org/10.1016/S0720-048X(03)00132-3 SN - 0720-048X (Print) SN - 1872-7727 (Electronic) VL - 49 IS - 3 SP - 198 EP - 203 ER - TY - JOUR A1 - Fitzek, Clemens A1 - Mentzel, H. J. A1 - Fitzek, S. A1 - Sauner, D. A1 - Kaiser, W. A. A1 - Reichenbach, J. R. T1 - Echoplanar diffusion-weighted MRI with intravenous gadolinium-DTPA JF - Neuroradiology Y1 - 2003 U6 - https://doi.org/10.1007/s00234-003-0965-5 SN - 0028-3940 (Print) SN - 1432-1920 (Electronic) VL - 45 IS - 9 SP - 592 EP - 597 ER - TY - JOUR A1 - Marx, J. J. A1 - Mika-Gruettner, A. A1 - Thoemke, F. A1 - Fitzek, S. A1 - Fitzek, Clemens A1 - Vucurevic, G. A1 - Urban, P. P. A1 - Stoeter, P. A1 - Hopf, H. C. T1 - Electrophysiological brainstem testing in the diagnosis of reversible brainstem ischemia JF - Journal of neurology Y1 - 2002 U6 - https://doi.org/10.1007/s00415-002-0780-7 SN - 0340-5354 (Print) SN - 1432-1459 (Electronic) VL - 249 IS - 8 SP - 1041 EP - 1047 ER - TY - JOUR A1 - Marx, J. J. A1 - Thoemke, F. A1 - Fitzek, S. A1 - Vucurevic, G. A1 - Fitzek, Clemens A1 - Mika-Gruettner, A. A1 - Stoeter, P. A1 - Urban, P. P. A1 - Hopf, H. C. T1 - A new method to investigate brain stem structural-functional correlations using digital post-processing MRI--reliability in ischemic internuclear ophthalmoplegia JF - European journal of neurology Y1 - 2001 SN - 1351-5101 (Print) VL - 8 IS - 5 SP - 489 EP - 493 ER - TY - JOUR A1 - Fitzek, S. A1 - Baumgärtner, U. A1 - Fitzek, Clemens A1 - Magerl, W. A1 - Urban, P. A1 - Thömke, F. A1 - Marx, J. A1 - Treede, R. D. A1 - Stoeter, P. A1 - Hopf, H. C. T1 - Mechanisms and predictors of chronic facial pain in lateral medullary infarction JF - Annals of neurology Y1 - 2001 U6 - https://doi.org/10.1002/ana.99 SN - 0364-5134 (Print) SN - 1531-8249 (Electronic) VL - 49 IS - 4 SP - 493 EP - 500 ER - TY - JOUR A1 - Faust, J. A1 - Fisbeck, A. A1 - Fitzek, S. A1 - Fitzek, Clemens A1 - Orth, T. A1 - Wandel, E. A1 - Mayet, W. J. T1 - Vasculitic wallenberg syndrome with detection of anti-proteinase 3 antibodies in the cerebrospinal fluid of a patient with severe Wegener's granulomatosis and only mild kidney involvement. JF - Nephrology, dialysis, transplantation Y1 - 2000 U6 - https://doi.org/10.1093/ndt/15.6.893 SN - 0931-0509 (Print) SN - 1460-2385 (Electronic) VL - 15 IS - 6 SP - 893 EP - 896 ER - TY - JOUR A1 - Marx, J. J. A1 - Mika-Gruettner, A. A1 - Thoemke, F. A1 - Fitzek, S. A1 - Fitzek, Clemens A1 - Vucurevic, G. A1 - Urban, P. P. A1 - Stoeter, P. A1 - Hopf, H. C. T1 - Diffusion weighted magnetic resonance imaging in the diagnosis of reversible ischaemic deficits of the brainstem JF - Journal of neurology, neurosurgery, and psychiatry Y1 - 2002 U6 - https://doi.org/10.1136/jnnp.72.5.572 SN - 0022-3050 (Print) SN - 1468-330X (Electronic) VL - 72 IS - 5 SP - 572 EP - 575 ER - TY - JOUR A1 - Fitzek, Clemens A1 - Weissmann, M. A1 - Speckter, H. A1 - Fitzek, S. A1 - Hopf, H. C. A1 - Schulte, E. A1 - Stoeter, P. T1 - Anatomy of brain-stem white-matter tracts shown by diffusion-weighted imaging JF - Neuroradiology Y1 - 2001 SN - 0028-3940 (Print) SN - 1432-1920 (Electronic) VL - 43 IS - 11 SP - 953 EP - 960 ER - TY - JOUR A1 - Fitzek, S. A1 - Fitzek, Clemens A1 - Hopf, H. C. T1 - The masseter reflex: postprocessing methods and influence of age and gender. Normative values of the masseter reflex JF - European neurology Y1 - 2001 SN - 0014-3022 VL - 46 IS - 4 SP - 202 EP - 205 ER - TY - JOUR A1 - Jaster, J. H. A1 - Fitzek, S. A1 - Fitzek, Clemens A1 - Smith, T. W. A1 - Becske, T. T1 - Myocardial injury after hemorrhage into the lateral medulla oblongata JF - Neurology Y1 - 2001 SN - 0028-3878 (Print) SN - 1526-632X (Electronic) VL - 57 IS - 6 SP - 1145 ER - TY - JOUR A1 - Fitzek, S. A1 - Fitzek, Clemens A1 - Urban, P. P. A1 - Marx, J. A1 - Hopf, H. C. A1 - Stoeter, P. T1 - Time course of lesion development in patients with acute brain stem infarction and correlation with NIHSS score JF - European journal of radiology Y1 - 2001 U6 - https://doi.org/10.1016/S0720-048X(01)00372-2 SN - 0720-048X (Print) SN - 1872-7727 (Electronic) VL - 39 IS - 3 SP - 180 EP - 185 ER - TY - JOUR A1 - Marx, J. J. A1 - Thoemke, F. A1 - Fitzek, S. A1 - Vucurevic, G. A1 - Fitzek, Clemens A1 - Mika-Gruettner, A. A1 - Urban, P. P. A1 - Stoeter, P. A1 - Hopf, H. C. T1 - Topodiagnostic value of blink reflex R1 changes: a digital postprocessing MRI correlation study JF - Muscle & nerve Y1 - 2001 SN - 0148-639X (Print) VL - 24 IS - 10 SP - 1327 EP - 1331 ER - TY - JOUR A1 - Fitzek, S. A1 - Baumgärtner, U. A1 - Marx, J. A1 - Joachimski, F. A1 - Axer, H. A1 - Witte, O.W. A1 - Fitzek, Clemens T1 - Pain and itch in Wallenberg's syndrome: anatomical-functional correlations JF - Supplements to Clinical neurophysiology Y1 - 2006 SN - 1567-424X (Print) VL - 58 SP - 187 EP - 194 ER - TY - JOUR A1 - Fitzek, S. A1 - Leistitz, L. A1 - Witte, O.W. A1 - Heuschmann, P.U. A1 - Fitzek, Clemens T1 - The Essen Stroke Risk Score in one-year follow-up acute ischemic stroke patients JF - Cerebrovascular diseases Y1 - 2011 U6 - https://doi.org/10.1159/000323226 SN - 1015-9770 (Print) SN - 1421-9786 (Electronic) VL - 31 IS - 4 SP - 400 EP - 407 ER - TY - JOUR A1 - Fitzek, S. A1 - Engelmann, C. A1 - Fitzek, Clemens T1 - Vertebral Pneumatization JF - Clinical Neuroradiology Y1 - 2011 U6 - https://doi.org/10.1007/s00062-010-0034-5 SN - 1869-1439 (Print) SN - 1869-1447 (Online) VL - 21 IS - 1 SP - 27 EP - 30 ER - TY - JOUR A1 - Betge, S. A1 - Schulze-Bahr, E. A1 - Fitzek, Clemens A1 - Pfeifer, R. A1 - Figulla, H.-R. A1 - Witte, O.W. A1 - Isenmann, S. T1 - Long-QT-Syndrom als Differenzialdiagnose einer Grand-Mal-Epilepsie: Fallbericht, Stammbaum, Therapieoptionen und Literaturübersicht JF - Nervenarzt T2 - Long QT syndrome causing grand mal epilepsy: Case report, pedigree, therapeutic options, and review of the literature Y1 - 2006 U6 - https://doi.org/10.1007/s00115-006-2118-7 SN - 0028-2804 (Print) SN - 1433-0407 (Electronic) VL - 77 IS - 10 SP - 1210 EP - 1217 ER - TY - JOUR A1 - Urban, P. P. A1 - Wicht, S. A1 - Marx, J. A1 - Mitrovic, S. A1 - Fitzek, Clemens A1 - Hopf, H. C. T1 - Isolated voluntary facial paresis due to pontine ischemia JF - Neurology : official journal of the American Academy of Neurology Y1 - 1998 U6 - https://doi.org/​10.​1212/​WNL.​50.​6.​1859 SN - 0028-3878 (Print) SN - 1526-632X (Electronic) VL - 50 IS - 6 SP - 1859 EP - 1862 ER - TY - JOUR A1 - Dilger, S. A1 - Straube, T. A1 - Mentzel, H. J. A1 - Fitzek, Clemens A1 - Reichenbach, J. R. A1 - Hecht, H. A1 - Krieschel, S. A1 - Gutberlet, I. A1 - Miltner, W. H. T1 - Brain activation to phobia-related pictures in spider phobic humans: an event-related functional magnetic resonance imaging study JF - Neuroscience letters Y1 - 2003 U6 - https://doi.org/10.1016/S0304-3940(03)00647-5 SN - 0304-3940 (Print) SN - 1872-7972 (Electronic) VL - 348 IS - 1 SP - 29 EP - 32 ER - TY - JOUR A1 - Terborg, C. A1 - Brodhun, M. A1 - Joachimski, F. A1 - Fitzek, Clemens A1 - Witte, O.W. A1 - Isenmann, S. T1 - Aneurysm of the extracranial carotid artery with spontaneous echo contrast revealed by duplex sonography JF - Ultraschall in der Medizin Y1 - 2007 U6 - https://doi.org/10.1055/s-2007-962892 SN - 0172-4614 (Print) SN - 1438-8782 (Electronic) VL - 28 IS - 2 SP - 216 EP - 218 ER - TY - JOUR A1 - Schwab, M. A1 - Fitzek, Clemens A1 - Witte, O.W. A1 - Isenmann, S. T1 - Extending the potential of perfusion imaging with MRI to prevent major stroke JF - The Lancet. Neurology Y1 - 2007 U6 - https://doi.org/10.1016/S1474-4422(07)70011-X SN - 1474-4422 (Print) SN - 1474-4465 (Electronic) VL - 6 IS - 2 SP - 102 EP - 104 ER - TY - JOUR A1 - Schlösser, R.G. A1 - Nenadic, I. A1 - Wagner, G. A1 - Güllmar, D. A1 - von Consbruch, K. A1 - Köhler, S. A1 - Schultz, C.C. A1 - Koch, K. A1 - Fitzek, Clemens A1 - Matthews, P.M. A1 - Reichenbach, J.R. A1 - Sauer, H. T1 - White matter abnormalities and brain activation in schizophrenia: a combined DTI and fMRI study JF - Schizophrenia research Y1 - 2007 U6 - https://doi.org/10.1016/j.schres.2006.09.007 SN - 0920-9964 (Print) SN - 1573-2509 (Electronic) VL - 89 IS - 1-3 SP - 1 EP - 11 ER - TY - JOUR A1 - Haidekker, M. A. A1 - Evertsz, C. J. A1 - Fitzek, Clemens A1 - Boor, S. A1 - Andresen, R. A1 - Falkai, P. A1 - Stoeter, P. A1 - Peitgen, H. O. T1 - Projecting the sulcal pattern of human brains onto a 2D plane--a new approach using potential theory and MRI JF - Psychiatry research Y1 - 1998 U6 - https://doi.org/10.1016/S0925-4927(98)00029-8 SN - 0165-1781 (Print) SN - 1872-7123 (Electronic) VL - 40 IS - 12 SP - 75 EP - 84 ER - TY - JOUR A1 - Fitzek, Clemens A1 - Haueisen, J. A1 - Huonker, R. A1 - Reichenbach, J. R. A1 - Pfleiderer, S. O. A1 - Mentzel, H. J. A1 - Sauner, D. A1 - Brandl, U. A1 - Kaiser, W. A. T1 - Effect of routine MR imaging of the brain at 1.5 T on subsequent magnetoencephalography: results in nine volunteers JF - Radiology Y1 - 2004 U6 - https://doi.org/10.1148/radiol.2303021529 SN - 0033-8419 (Print) SN - 1527-1315 (Electronic) VL - 230 IS - 3 SP - 715 EP - 719 ER - TY - JOUR A1 - Mentzel, H. J. A1 - Seidel, J. A1 - Fitzek, Clemens A1 - Vogt, S. A1 - Zintl, F. A1 - Kaiser, W. A. T1 - Intracranial and extracranial MR angiography in occipital horn syndrome JF - European radiology Y1 - 2000 U6 - https://doi.org/10.1007/PL00022807 SN - 0938-7994 (Print) SN - 1432-1084 (Electronic) VL - 10 IS - 10 SP - 1683 ER - TY - JOUR A1 - Urban, P. P. A1 - Wicht, S. A1 - Fitzek, Clemens A1 - Vukurevic, G. A1 - Stoeter, P. A1 - Hopf, H. C. T1 - Topodiagnostik ischämisch bedingter Dysarthrophonien JF - Klinische Neuroradiologie Y1 - 2000 U6 - https://doi.org/10.1007/s000620050001 SN - 0939-7116 (Print) SN - 1615-6706 (Electronic) VL - 10 IS - 2 SP - 35 EP - 45 ER - TY - JOUR A1 - Mentzel, H. J. A1 - Seidel, J. A1 - Sauner, D. A1 - Vogt, S. A1 - Fitzek, Clemens A1 - Zintl, F. A1 - Kaiser, W. A. T1 - Radiological aspects of the Poland syndrome and implications for treatment: a case study and review JF - European journal of pediatrics Y1 - 2002 U6 - https://doi.org/10.1007/s00431-002-0974-0 SN - 0340-6199 (Print) SN - 1432-1076 (Electronic) VL - 161 IS - 8 SP - 455 EP - 459 ER - TY - JOUR A1 - Ragoschke-Schumm, A. A1 - Axer, H. A1 - Fitzek, Clemens A1 - Dichgans, M. A1 - Peters, N. A1 - Mueller-Hoecker, J. A1 - Witte, O.W. A1 - Isenmann, S. T1 - Intracerebral haemorrhage in CADASIL JF - Journal of neurology, neurosurgery, and psychiatry Y1 - 2005 U6 - https://doi.org/10.1136/jnnp.2004.059212 SN - 0022-3050 (Print) SN - 1468-330X (Electronic) VL - 76 IS - 11 SP - 1606 EP - 1607 ER - TY - JOUR A1 - Axer, H. A1 - Ragoschke-Schumm, A. A1 - Böttcher, J. A1 - Fitzek, Clemens A1 - Witte, O.W. A1 - Isenmann, S. T1 - Initial DWI and ADC imaging may predict outcome in acute disseminated encephalomyelitis: report of two cases of brain stem encephalitis JF - Journal of neurology, neurosurgery, and psychiatry Y1 - 2005 U6 - https://doi.org/10.1136/jnnp.2004.045500 SN - 0022-3050 (Print) SN - 1468-330X (Electronic) VL - 76 IS - 7 SP - 996 EP - 998 ER - TY - JOUR A1 - Mentzel, H. J. A1 - Seidel, J. A1 - Fitzek, Clemens A1 - Eichhorn, A. A1 - Voigt, S. A1 - Reichenbach, J. R. A1 - Zintl, F. A1 - Kaiser, W. A. T1 - Pediatric brain MRI in neurofibromatosis type I JF - European Association of Radiology Y1 - 2005 U6 - https://doi.org/10.1007/s00330-004-2433-y SN - 0938-7994 (Print) SN - 1432-1084 (Electronic) VL - 15 IS - 4 SP - 814 EP - 822 ER -