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Jean Tkach

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Jeremiah A Heilman; Matthew J Riffe; Jean A Tkach; Natalia Gudino; Jamal D Derakhshan; Jeffrey L Duerk; Chris A Flask; Mark Griswold
Parallel excitation for B-field insensitive fat-saturation preparation.
R O'Dwyer; T Wehner; E LaPresto; Liu Ping; Jean A Tkach; Soheyl Noachtar; B Diehl
Differences in corpus callosum volume and diffusivity between temporal and frontal lobe epilepsy.
Beate Diehl; Zhe Piao; Jean A Tkach; Robyn M Busch; Eric LaPresto; Imad M Najm; Bill Bingaman; John Duncan; Hans Lüders
Cortical stimulation for language mapping in focal epilepsy: correlations with tractography of the arcuate fasciculus.

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2012: Jeremiah A Heilman; Matthew J Riffe; Jean A Tkach; Natalia Gudino; Jamal D Derakhshan; Jeffrey L Duerk; Chris A Flask; Mark Griswold
Parallel excitation for B-field insensitive fat-saturation preparation.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2012;68(2):631-8.
2010: R O'Dwyer; T Wehner; E LaPresto; Liu Ping; Jean A Tkach; Soheyl Noachtar; B Diehl
Differences in corpus callosum volume and diffusivity between temporal and frontal lobe epilepsy.
Epilepsy & behavior : E&B 2010;19(3):376-82.
2010: Beate Diehl; Zhe Piao; Jean A Tkach; Robyn M Busch; Eric LaPresto; Imad M Najm; Bill Bingaman; John Duncan; Hans Lüders
Cortical stimulation for language mapping in focal epilepsy: correlations with tractography of the arcuate fasciculus.
Epilepsia 2010;51(4):639-46.
2009: Heath A Demaree; Jie Pu; Jack Jesberger; Norah Feeny; Linda Jeng; Erik Everhart; Jeff Duerk; Jean A Tkach
5HTTLPR predicts left fusiform gyrus activation to positive emotional stimuli.
Magnetic resonance imaging 2009;27(4):441-8.
2009: GUANSHU LIU; M Meser Ali; Byunghee Yoo; Mark Griswold; Jean A Tkach; Mark D Pagel
PARACEST MRI with improved temporal resolution.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2009;61(2):399-408.
2008: Beate Diehl; Robyn M Busch; John S Duncan; Zhe Piao; Jean A Tkach; Hans O Lüders
Abnormalities in diffusion tensor imaging of the uncinate fasciculus relate to reduced memory in temporal lobe epilepsy.
Epilepsia 2008;49(8):1409-18.
2007: Elizabeth Fisher; Ansi Chang; Robert J Fox; Jean A Tkach; Therese Svarovsky; Kunio Nakamura; Richard A Rudick; Bruce D Trapp
Imaging correlates of axonal swelling in chronic multiple sclerosis brains.
Annals of neurology 2007;62(3):219-28.
2007: T Wehner; Eric LaPresto; Jean A Tkach; P Liu; William Bingaman; Richard A Prayson; Paul M Ruggieri; Beate Diehl
The value of interictal diffusion-weighted imaging in lateralizing temporal lobe epilepsy.
Neurology 2007;68(2):122-7.
2006: Kenneth B Baker; Jean A Tkach; Micheal D Phillips; Ali R Rezai
Variability in RF-induced heating of a deep brain stimulation implant across MR systems.
Journal of magnetic resonance imaging : JMRI 2006;24(6):1236-42.
2006: Kenneth B Baker; Jean A Tkach; Micheal D Phillips
In vitro studies of MRI-related heating of neurostimulation systems.
Magnetic resonance imaging 2006;24(5):677-9; author reply 679-80.
2006: Micheal D Phillips; Kenneth B Baker; Mark J Lowe; Jean A Tkach; Scott E Cooper; Brian Harris Kopell; Ali R Rezai
Parkinson disease: pattern of functional MR imaging activation during deep brain stimulation of subthalamic nucleus--initial experience.
Radiology 2006;239(1):209-16.
2005: Ali R Rezai; Kenneth B Baker; Jean A Tkach; Michael Phillips; Greg Hrdlicka; Ashwini D Sharan; John A Nyenhuis; Paul M Ruggieri; Frank G Shellock; Jaimie Henderson
Is magnetic resonance imaging safe for patients with neurostimulation systems used for deep brain stimulation?
Neurosurgery 2005;57(5):1056-62; discussion 1056-62.
2005: Jaimie M Henderson; Jean A Tkach; Michael Phillips; Kenneth Baker; Frank G Shellock; Ali R Rezai
Permanent neurological deficit related to magnetic resonance imaging in a patient with implanted deep brain stimulation electrodes for Parkinson's disease: case report.
Neurosurgery 2005;57(5):E1063; discussion E1063.
2005: Kenneth B Baker; Jean A Tkach; John D Hall; John A Nyenhuis; Frank G Shellock; Ali R Rezai
Reduction of magnetic resonance imaging-related heating in deep brain stimulation leads using a lead management device.
Neurosurgery 2005;57(4 Suppl):392-7; discussion 392-7.
2005: Robert J Fox; Elizabeth Fisher; Jean A Tkach; Jar-Chi Lee; Jeffrey A Cohen; Richard A Rudick
Brain atrophy and magnetization transfer ratio following methylprednisolone in multiple sclerosis: short-term changes and long-term implications.
Multiple sclerosis (Houndmills, Basingstoke, England) 2005;11(2):140-5.
2005: Kenneth B Baker; John A Nyenhuis; Greg Hrdlicka; Ali R Rezai; Jean A Tkach; Frank G Shellock
Neurostimulation systems: assessment of magnetic field interactions associated with 1.5- and 3-Tesla MR systems.
Journal of magnetic resonance imaging : JMRI 2005;21(1):72-7.
2004: Kenneth B Baker; Jean A Tkach; John A Nyenhuis; Michael Phillips; Frank G Shellock; Jorge Gonzalez-Martinez; Ali R Rezai
Evaluation of specific absorption rate as a dosimeter of MRI-related implant heating.
Journal of magnetic resonance imaging : JMRI 2004;20(2):315-20.
2004: Ali R Rezai; Michael Phillips; Kenneth B Baker; Ashwini D Sharan; John A Nyenhuis; Jean A Tkach; Jaimie Henderson; Frank G Shellock
Neurostimulation system used for deep brain stimulation (DBS): MR safety issues and implications of failing to follow safety recommendations.
Investigative radiology 2004;39(5):300-3.
2003: Jeffrey S Ross; Jean A Tkach; Paul M Ruggieri; Michael Lieber; Eric LaPresto
The mind's eye: functional MR imaging evaluation of golf motor imagery.
AJNR. American journal of neuroradiology 2003;24(6):1036-44.
2003: Frank G Shellock; Jean A Tkach; Paul M Ruggieri; Thomas J Masaryk; Peter A Rasmussen
Aneurysm clips: evaluation of magnetic field interactions and translational attraction by use of "long-bore" and "short-bore" 3.0-T MR imaging systems.
AJNR. American journal of neuroradiology 2003;24(3):463-71.
2003: Ashwini D Sharan; Ali R Rezai; John A Nyenhuis; Greg Hrdlicka; Jean A Tkach; K Baker; M Turbay; Paul Rugieri; M Phillips; Frank G Shellock
MR safety in patients with implanted deep brain stimulation systems (DBS).
Acta neurochirurgica. Supplement 2003;87():141-5.
2003: Frank G Shellock; Jean A Tkach; Paul M Ruggieri; Thomas J Masaryk
Cardiac pacemakers, ICDs, and loop recorder: evaluation of translational attraction using conventional ("long-bore") and "short-bore" 1.5- and 3.0-Tesla MR systems.
Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance 2003;5(2):387-97.
2002: Daniel A Finelli; Ali R Rezai; Paul M Ruggieri; Jean A Tkach; John A Nyenhuis; Greg Hrdlicka; Ashwini D Sharan; Jorge Gonzalez-Martinez; Paul H Stypulkowski; Frank G Shellock
MR imaging-related heating of deep brain stimulation electrodes: in vitro study.
AJNR. American journal of neuroradiology 2002;23(10):1795-802.
2002: Ali R Rezai; Daniel A Finelli; John A Nyenhuis; Greg Hrdlicka; Jean A Tkach; Ashwini D Sharan; Paul Rugieri; Paul H Stypulkowski; Frank G Shellock
Neurostimulation systems for deep brain stimulation: in vitro evaluation of magnetic resonance imaging-related heating at 1.5 tesla.
Journal of magnetic resonance imaging : JMRI 2002;15(3):241-50.
2001: Ali R Rezai; Daniel A Finelli; Paul Rugieri; Jean A Tkach; John A Nyenhuis; Frank G Shellock
Neurostimulators: potential for excessive heating of deep brain stimulation electrodes during magnetic resonance imaging.
Journal of magnetic resonance imaging : JMRI 2001;14(4):488-9.
2001: Beate Diehl; Imad M Najm; Paul M Ruggieri; Jean A Tkach; Armin Mohamed; H Morris; Elaine Wyllie; Elizabeth Fisher; J Duda; Michael Lieber; William Bingaman; Hans O Lüders
Postictal diffusion-weighted imaging for the localization of focal epileptic areas in temporal lobe epilepsy.
Epilepsia 2001;42(1):21-8.
1999: John Perl; Jean A Tkach; M Porras-Jimenez; Michael Lieber; Nancy A Obuchowski; Jeffrey S Ross; X P Ding; Paul M Ruggieri; D M Shearer; K Khajavi; Thomas J Masaryk
Hemorrhage detected using MR imaging in the setting of acute stroke: an in vivo model.
AJNR. American journal of neuroradiology 1999;20(10):1863-70.
1999: Beate Diehl; Imad M Najm; Paul M Ruggieri; Nancy Foldvary; Armin Mohamed; Jean A Tkach; H Morris; Gene Barnett; Elizabeth Fisher; J Duda; Hans O Lüders
Periictal diffusion-weighted imaging in a case of lesional epilepsy.
Epilepsia 1999;40(11):1667-71.
1999: M J Johnson; I Ayzman; AS Wood; Jean A Tkach; J Klauschie; D J Skarupa; James P McAllister; Mark G Luciano
Development and characterization of an adult model of obstructive hydrocephalus.
Journal of neuroscience methods 1999;91(1-2):55-65.
1999: A Oto; Erick M Remer; Charles M O'malley; Jean A Tkach; Inderbir S Gill
MR characteristics of oxidized cellulose (Surgicel).
AJR. American journal of roentgenology 1999;172(6):1481-4.
1998: James P McAllister; P Chovan; CP Steiner; M J Johnson; I Ayzman; AS Wood; Jean A Tkach; Joseph F Hahn; Mark G Luciano
Differential ventricular expansion in hydrocephalus.
European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift für Kinderchirurgie 1998;8 Suppl 1():39-42.
1997: X Ding; Jean A Tkach; Paul M Ruggieri; John Perl; Thomas J Masaryk
Improvement of spiral MRI with the measured k-space trajectory.
Journal of magnetic resonance imaging : JMRI 1997;7(5):938-40.
1997: Jean A Tkach; X Ding; Paul M Ruggieri; Nancy A Obuchowski; Michael Lieber; Thomas J Masaryk
Segmented three-dimensional echo-planar flow imaging of the cervical carotid arteries.
AJNR. American journal of neuroradiology 1997;18(7):1339-47.
1995: A Dagirmanjian; Jeffrey S Ross; Nancy A Obuchowski; JONATHAN LEWIN; Jean A Tkach; Paul M Ruggieri; Thomas J Masaryk
High resolution, magnetization transfer saturation, variable flip angle, time-of-flight MRA in the detection of intracranial vascular stenoses.
Journal of computer assisted tomography 1995;19(5):700-6.
1995: P A Hardy; R S Hinks; Jean A Tkach
Separation of fat and water in fast spin-echo MR imaging with the three-point Dixon technique.
Journal of magnetic resonance imaging : JMRI 1995;5(2):181-5.
1994: Richard D White; Nancy A Obuchowski; C W VanDyke; Jean A Tkach; MA Geisinger; K M Link; Paul M Ruggieri; J J Dillinger; B W Lytle
Thoracic aortic disease: evaluation using a single MRA volume series.
Journal of computer assisted tomography 1994;18(6):843-54.
1994: X Ding; Jean A Tkach; P R Ruggieri; T J Masaryk
Sequential three-dimensional time-of-flight MR angiography of the carotid arteries: value of variable excitation and postprocessing in reducing venetian blind artifact.
AJR. American journal of roentgenology 1994;163(3):683-8.
1994: JONATHAN LEWIN; H D Curtin; J S Ross; Jane L Weissman; Nancy A Obuchowski; Jean A Tkach
Fast spin-echo imaging of the neck: comparison with conventional spin-echo, utility of fat suppression, and evaluation of tissue contrast characteristics.
AJNR. American journal of neuroradiology 1994;15(7):1351-7.
1994: Jean A Tkach; W Lin; J J Duda; E Mark Haacke; Thomas J Masaryk
Optimizing three-dimensional time-of-flight MR angiography with variable repetition time.
Radiology 1994;191(3):805-11.
1993: Dave W Piraino; P A Hardy; Jean Schils; BJ Richmond; Jean A Tkach; G H Belhobek
Fast spin-echo imaging of the knee: factors influencing contrast.
Journal of magnetic resonance imaging : JMRI 1993;3(6):835-42.
1993: Jean A Tkach; Paul M Ruggieri; Jeffrey S Ross; Michael T Modic; J J Dillinger; Thomas J Masaryk
Pulse sequence strategies for vascular contrast in time-of-flight carotid MR angiography.
Journal of magnetic resonance imaging : JMRI 1993;3(6):811-20.
1993: Jeffrey S Ross; Paul M Ruggieri; Jean A Tkach; Nancy A Obuchowski; J Dillinger; Thomas J Masaryk; Michael T Modic
Lumbar degenerative disk disease: prospective comparison of conventional T2-weighted spin-echo imaging and T2-weighted rapid acquisition relaxation-enhanced imaging.
AJNR. American journal of neuroradiology 1993;14(5):1215-23.
1993: M Shah; Jeffrey S Ross; Jean A Tkach; Michael T Modic
3D MPRAGE evaluation of the internal auditory canals.
Journal of computer assisted tomography 1993;17(3):442-5.
1993: Jean A Tkach; Paul M Ruggieri; J J Dillinger; J S Rose; Michael T Modic; Thomas J Masaryk
Three-dimensional time-of-flight MR angiography with a specialized gradient head coil.
Journal of magnetic resonance imaging : JMRI 1993;3(2):365-75.
1992: Jeffrey S Ross; Jean A Tkach; J Dillinger; Paul M Ruggieri; Thomas J Masaryk; Michael T Modic
Optimization of three-dimensional T1-weighted gradient-echo imaging of the cervical spine.
Journal of magnetic resonance imaging : JMRI 1992;2(3):359-64.
1992: Jeffrey S Ross; Paul M Ruggieri; Jean A Tkach; Thomas J Masaryk; L Paranandi; J J Dillinger; Michael T Modic
Gd-DTPA-enhanced 3D MR imaging of cervical degenerative disk disease: initial experience.
AJNR. American journal of neuroradiology 1992;13(1):127-36.
1991: Thomas J Masaryk; Jean A Tkach; M Glicklich
Flow, radiofrequency pulse sequences, and gradient magnetic fields: basic interactions and adaptations to angiographic imaging.
Topics in magnetic resonance imaging : TMRI 1991;3(3):1-11.
1991: Jeffrey S Ross; Jean A Tkach; C VanDyke; Michael T Modic
Clinical MR imaging of degenerative spinal disease: pulse sequences, gradient-echo techniques, and contrast agents.
Journal of magnetic resonance imaging : JMRI 1991;1(1):29-37.
1990: E Mark Haacke; Jean A Tkach
Fast MR imaging: techniques and clinical applications.
AJR. American journal of roentgenology 1990;155(5):951-64.
1990: E Mark Haacke; T J Masaryk; P A Wielopolski; F R Zypman; Jean A Tkach; S Amartur; J Mitchell; Mark Clampitt; C Paschal
Optimizing blood vessel contrast in fast three-dimensional MRI.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 1990;14(2):202-21.
1990: E Mark Haacke; P A Wielopolski; Jean A Tkach; Michael T Modic
Steady-state free precession imaging in the presence of motion: application for improved visualization of the cerebrospinal fluid.
Radiology 1990;175(2):545-52.
1990: Richard D White; C B Paschal; Jean A Tkach; M J Carvlin
Functional cardiovascular evaluation by magnetic resonance imaging.
Topics in magnetic resonance imaging : TMRI 1990;2(2):31-48.
1990: P M Steinberg; Jeffrey S Ross; Michael T Modic; Jean A Tkach; T J Masaryk; E Mark Haacke
The value of fast gradient-echo MR sequences in the evaluation of brain disease.
AJNR. American journal of neuroradiology 1990;11(1):59-67.
1989: C VanDyke; Jeffrey S Ross; Jean A Tkach; T J Masaryk; Michael T Modic
Gradient-echo MR imaging of the cervical spine: evaluation of extradural disease.
AJR. American journal of roentgenology 1989;153(2):393-8.
1989: T J Masaryk; Michael T Modic; P M Ruggieri; Jeffrey S Ross; G Laub; G W Lenz; Jean A Tkach; E Mark Haacke; Warren R Selman; Sami I Harik
Three-dimensional (volume) gradient-echo imaging of the carotid bifurcation: preliminary clinical experience.
Radiology 1989;171(3):801-6.
1989: E Mark Haacke; Jean A Tkach; T B Parrish
Reduction of T2* dephasing in gradient field-echo imaging.
Radiology 1989;170(2):457-62.
1988: A L Hopkins; E Mark Haacke; R G Barr; Jean A Tkach
Oxygen-17 contrast agents. Fast imaging techniques.
Investigative radiology 1988;23 Suppl 1():S240-2.
1988: Jean A Tkach; E Mark Haacke
A comparison of fast spin echo and gradient field echo sequences.
Magnetic resonance imaging 1988;6(4):373-89.
1988: A L Hopkins; E Mark Haacke; Jean A Tkach; R G Barr; C B Bratton
Improved sensitivity of proton MR to oxygen-17 as a contrast agent using fast imaging: detection in brain.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 1988;7(2):222-9.