Chris Tjoa
Chris Tjoa
Verified email at uphs.upenn.edu
TitleCited byYear
Prediction of neuropsychological impairment in multiple sclerosis: comparison of conventional magnetic resonance imaging measures of atrophy and lesion burden
RHB Benedict, B Weinstock-Guttman, I Fishman, J Sharma, CW Tjoa, ...
Archives of neurology 61 (2), 226-230, 2004
3832004
T2 hypointensity in the deep gray matter of patients with multiple sclerosis: a quantitative magnetic resonance imaging study
R Bakshi, RHB Benedict, RA Bermel, SD Caruthers, SR Puli, CW Tjoa, ...
Archives of neurology 59 (1), 62-68, 2002
2632002
Bicaudate ratio as a magnetic resonance imaging marker of brain atrophy in multiple sclerosis
RA Bermel, R Bakshi, C Tjoa, SR Puli, L Jacobs
Archives of neurology 59 (2), 275-280, 2002
1822002
A semiautomated measure of whole-brain atrophy in multiple sclerosis
RA Bermel, J Sharma, CW Tjoa, SR Puli, R Bakshi
Journal of the neurological sciences 208 (1-2), 57-65, 2003
1402003
Selective caudate atrophy in multiple sclerosis: a 3D MRI parcellation study
RA Bermel, MD Innus, CW Tjoa, R Bakshi
Neuroreport 14 (3), 335-339, 2003
1212003
MRI T2 hypointensity of the dentate nucleus is related to ambulatory impairment in multiple sclerosis
CW Tjoa, RHB Benedict, B Weinstock-Guttman, AJ Fabiano, R Bakshi
Journal of the neurological sciences 234 (1-2), 17-24, 2005
1172005
Diffusion-weighted imaging predicts cognitive impairment in multiple sclerosis
RHB Benedict, J Bruce, MG Dwyer, B Weinstock-Guttman, C Tjoa, ...
Multiple Sclerosis Journal 13 (6), 722-730, 2007
982007
Semi-automatic brain region extraction (SABRE) reveals superior cortical and deep gray matter atrophy in MS
DA Carone, RHB Benedict, MG Dwyer, DL Cookfair, B Srinivasaraghavan, ...
Neuroimage 29 (2), 505-514, 2006
712006
Reproducibility and accuracy of quantitative magnetic resonance imaging techniques of whole‐brain atrophy measurement in multiple sclerosis
R Zivadinov, A Grop, J Sharma, A Bratina, CW Tjoa, M Dwyer, M Zorzon
Journal of Neuroimaging 15 (1), 27-36, 2005
312005
Regionally distinct white matter lesions do not contribute to regional gray matter atrophy in patients with multiple sclerosis
R Antulov, DA Carone, J Bruce, V Yella, MG Dwyer, CW Tjoa, ...
Journal of Neuroimaging 21 (3), 210-218, 2011
212011
Spatio-temporal activity in real time (STAR): optimization of regional fMRI feedback
JF Magland, CW Tjoa, AR Childress
Neuroimage 55 (3), 1044-1053, 2011
112011
Regional specificity of magnetization transfer imaging in multiple sclerosis
CW Tjoa, RHB Benedict, MG Dwyer, DA Carone, R Zivadinov
Journal of Neuroimaging 18 (2), 130-136, 2008
102008
Unipolar depression during pregnancy: nonpharmacologic treatment options
C Tjoa, E Pare, DR Kim
Women’s Health 6 (4), 565-576, 2010
72010
Gray matter T2 hypointensity in multiple sclerosis: A 2-year longitudinal clinical MRI study of 79 patients
R Bakshi, SR Puli, CW Tjoa, RA Bermel, E Fisher, RA Rudick, AJ Fabiano, ...
Neurology 58 (7), A154-A154, 2002
42002
Brain segmentation inconsistency significantly impacts magnetisation transfer measures
CW Tjoa, MG Dwyer, S Hussein, R Zivadinov
MULTIPLE SCLEROSIS 11, S147-S147, 2005
32005
Bright lesions in the brain on noncontrast T1-weighted MRI scans (T1 shortening) in multiple sclerosis
R Bakshi, S Suri, RHB Benedict, B Weinstock-Guttman, RA Bermel, ...
Neurology 58 (7), A208-A209, 2002
32002
Regional lesion volume predicts total and then regional gray matter atrophy in MS
D Carom, J Bruce, R Benedict, V Yella, M Dwyer, C Tjoa, R Zivadinov
Neurology 66 (5), 2006
22006
Diffuse weighted imaging measures are correlated with multiple cognitive domains in multiple sclerosis
RHB Benedict, MG Dwyer, B Weinstock-Guttman, C Tjoa, E Tavazzi, ...
Neurology 64 (6), A241-A242, 2005
22005
The relationship of gray, white, and total brain parenchymal fraction with cognitive performance in multiple sclerosis
R Benedict, M Sanfilipo, B Weinstock-Guttman, J Sharma, C Tjoa, ...
Neurology 62 (7), 2004
22004
Subcortical gray matter MRI T2 hypointensity is independently associated with cognitive impairment in multiple sclerosis
R Bakshi, RHB Benedict, AJ Fabiano, J Sharma, CW Tjoa, RA Bermel, ...
ANNALS OF NEUROLOGY 54, S59-S59, 2003
12003
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