Two Cases of Cerebral Venous Thrombosis with High Signal Intensity of Intravascular Clots on Diffusion Weighted Image

J Korean Neurol Assoc > Volume 25(4); 2007 > Article

Journal of the Korean Neurological Association 2007;25(4): 561-564.

정맥내 혈전이 확산강조영상에서 고신호 강도를 보인 정맥동 혈전증 2예

하상원, 박상은 안경모 홍기무 조정선 한정호 조은경 김두응

서울보훈병원 신경과

Two Cases of Cerebral Venous Thrombosis with High Signal Intensity of Intravascular Clots on Diffusion Weighted Image

Sang-Won Ha

Department of Neurology, Seoul Veterans Hospital, Seoul, Korea

Abstract

High signal intensity on diffusion-weighted image (DWI) at the site of venous occlusion has previously been reported in cerebral venous thrombosis (CVT). The frequency and diagnostic value of these signal changes in CVT were unknown. Some authors suggest that the presence of high signal intensity on DWI in occluded veins might help diagnose CVT and suggest low rate of recanalization. We experienced two cases of CVT with high signal intensity at the site of intravascular clot on DWI.KeyWords:Cerebral venous thrombosis, Diffusion-weighted imaging, High signal intensity