Reversible Cerebral Vasoconstriction Syndromes (RCVS)
Reversible Cerebral Vasoconstriction Syndromes (RCVS)
Reversible Cerebral Vasoconstriction Syndromes (RCVS)
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<strong>RCVS</strong> vs PACNS: MGH cases, 1993-2009<br />
Brain Imaging <strong>RCVS</strong><br />
(n=84)<br />
Lesion Pattern<br />
Single<br />
Symmetric<br />
Borderzone/watershed<br />
Hemispheric lesions<br />
Superficial<br />
Deep<br />
Brainstem<br />
Cerebellum<br />
‘Dot’ sign on FLAIR<br />
33%<br />
45%<br />
83%<br />
86%<br />
55%<br />
0%<br />
24%<br />
70%<br />
PACNS<br />
(n=35)<br />
3%<br />
18%<br />
9%<br />
27%<br />
97%<br />
97%<br />
18%<br />
21%<br />
P value<br />
0.001<br />
0.03<br />