Cerebral Venous Sinus Thrombosis in a Patient with Ulcerative Colitis Flare

Figure 5

MRI brain with and without contrast showed the MRI equivalent of the “empty delta sign” (a) on postcontrast T1 images. Note the hyperintense cortical veins on T1 (b), which correspond with hemosiderin deposits on GRE (c).

(a)

(b)

(c)