Evolution of T1 black holes in patients with multiple sclerosis imaged monthly for 4 years

…, N Jeffries, ND Richert, RD Stone, JM Ohayon… - Brain, 2003 - academic.oup.com
T 1 black holes (BHs) on MRIs may represent either areas of oedema or axonal loss in
patients with multiple sclerosis. BHs begin as contrast enhancing lesions (CELs) and evolve …

Relationship of cortical atrophy to fatigue in patients with multiple sclerosis

…, VN Ikonomidou, IE Evangelou, JM Ohayon… - Archives of …, 2010 - jamanetwork.com
Background Fatigue is a common and disabling symptom of multiple sclerosis (MS). Previous
studies reported that damage of the corticostriatothalamocortical circuit is critical in its …

Thalamic involvement and its impact on clinical disability in patients with multiple sclerosis: a diffusion tensor imaging study at 3T

…, ND Richert, JL Ostuni, JM Ohayon… - American Journal …, 2009 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Several studies suggest that grey matter involvement may
play a role in multiple sclerosis (MS) pathology. Diffusion tensor imaging (DTI) at 3T was …

Increased detection of serum HHV-6 DNA sequences during multiple sclerosis (MS) exacerbations and correlation with parameters of MS disease progression

R Berti, MB Brennan, SS Soldan, JM Ohayon… - Journal of …, 2002 - Springer
In recent years, human herpesvirus 6 (HHV-6) has been investigated as a possible causative
agent for MS. To determine if the detection of HHV-6 DNA in the serum of MS patients …

HLA-DRB5* 0101 and-DRB1* 1501 expression in the multiple sclerosis-associated HLA-DR15 haplotype

…, DM Park, R Granger, N Kruse, JM Ohayon… - Journal of …, 2005 - Elsevier
The HLA region, and particularly the DR15 haplotype (containing the two DRB* genes
DRB1*1501 and DRB5*0101 and the tightly linked DQ alleles DQA*0102 and DQB1*0602, which …

Diffuse and focal corticospinal tract disease and its impact on patient disability in multiple sclerosis

…, C Chen, M Ehrmantraut, JM Ohayon… - Journal of …, 2015 - Wiley Online Library
BACKGROUND AND PURPOSE We investigated the impact of focal and diffuse corticospinal
tracts damage on sensory‐motor disability in multiple sclerosis (MS) patients. METHODS …

In vivo detection of cortical plaques by MR imaging in patients with multiple sclerosis

…, L Pezawas, JM Ohayon… - American Journal …, 2006 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE:In vivo detection of cortical lesions in patients with multiple
sclerosis (MS) by MR imaging is hampered by several factors. Among them is the low …

Heterogeneity of multiple sclerosis white matter lesions detected with T2*‐weighted imaging at 7.0 Tesla

…, VN Ikonomidou, FK Cantor, JM Ohayon… - Journal of …, 2015 - Wiley Online Library
BACKGROUND AND PURPOSE Postmortem studies in multiple sclerosis (MS) indicate that
in some white matter lesions (WM‐Ls), iron is detectable with T 2 *‐weighted (T 2 *‐w), and …

Tissue-Specific Imaging Is a Robust Methodology to Differentiate In Vivo T1 Black Holes with Advanced Multiple Sclerosis–Induced Damage

…, P Van Gelderen, S Auh, JM Ohayon… - American journal …, 2009 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Brains of patients with multiple sclerosis (MS) characteristically
have “black holes” (BHs), hypointense lesions on T1-weighted (T1W) spin-echo (SE) …

Quality and quantity of diffuse and focal white matter disease and cognitive disability of patients with multiple sclerosis

…, J Agarwal, C Pellicano, JM Ohayon… - Journal of …, 2011 - Wiley Online Library
BACKGROUND AND PURPOSE Using high‐field magnetic resonance imaging (MRI), we
investigated the relationships between white matter (WM) lesion volume (LV), normal‐…