Bone Subtraction 3D CT Venography for the Evaluation of Cerebral Veins and Venous Sinuses: Imaging Techniques, Normal Variations, and Pathologic Findings. testarticle
Objective: To provide an overview of bone subtraction CT venography (CTV) and to review normal variations and various pathology involving the cerebral veins and venous sinuses. Design: Retrospective review of the literature.  Discussion: For bone subtraction CTV, there are 2 kinds of bone removal techniques. One is conventional bone subtraction CTV, and the other is dual-energy bone removal CTV. Conventional bone subtraction CTV requires both unenhanced and enhanced CTV datase more...