Department of Radiology;
Faculty of Medicine Siriraj Hospital;
Mahidol University;
Bangkok;
Thailand;
Division of Neurology;
Department of Medicine;
Faculty of Medicine Siriraj Hospital;
Mahidol University;
Bangkok;
Thailand;
Noncontrast CT; CT Brain; Cerebral Venous Sinus Thrombosis Cord Sign; Hyperattenuate Sign; CVT;