1naresh
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Urbach et al, 20027 Colombo et al, 200315 Widdess-Walsh et al, 200514 Besson et al, 200826 Widjaja et al, 200828 Kim et al, 20094 Krsek et al, 20096 Lerner et al, 20093 This Study Period of study 1996–2000 1996–2000 1990–2002 NA 1991–2005 1995–2005 2002–2005 2000–2007 2000–2011 No. of patients 22 15 48 26 13 28 16 64 71 Negative findings on MRI 0 5 (33%) 10 (21%) 0 2 (15%) 6 (21%) 0 1 29 (41%) Cortical thickening 18 (81%) 10 (67%) NA NA 8 (61%) NA 8 (50%) 43 (67%) 30 (71%) Blurring of GWM junction 8 (36%) 13 (87%) NA NA 11 (84%) NA 11 (69%) 47 (73%) 38 (90%) Cortical signal changes NA 6 (40%) NA NA 2 (15%) NA 10 (62%) 22 (35%) 21 (50%) Subcortical signal changes 22 (100%) 13 (87%) 27 (56%) NA 11 (84%) NA 14 (87%) 64 (100%) 42 (100%) Transmantle sign 18 (81%) 3 (20%) NA 5 (19%) 8 (72%) NA 6 (37%) NA 35 (83%) Sulcal abnormalities NA NA NA NA 3 (23%) NA 11 (69%) NA 22 (52%) Atrophy NA 3 (20%) NA NA 2 (15%) NA 7 (44%) 11 (17%) 0
Note:—NA indicates not available.