Abbreviations:
ADC = Attenuation Diffusion Coefficient
CVST = Cerebral Venous Sinus Thrombosis
DSA = Digital Subtraction Angiography
IBD = Inflammatory Bowel Disease
mRS = Modified Rankin Scale
MRI = Magnetic Resonance Imaging
MRV = Magnetic Resonance Venography
NIHSS = National Institute of Health Score Scale
UC = Ulcerative Colitis