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Spinal Cord Vasculature: Anatomy And Current Imaging Techniques 2014

Category General Spine Ammar Taha, MD Udaykamal Barad, MD Juan G. Tejada, MD Purpose 1. Review normal arterial and venous vascularity of the spinal cord. 2. Describe role of various imaging modalities to investigate arterial lesions of the spinal cord. Materials & Methods We present a pictorial review of vascular supply and draininge of spinal cord in addition to review of literature regarding imaging modalities used to outline anatomy and to investigate different spinal pathologies. Results The vascularity of the spinal cord is formed by a complex arrangement of blood vessels derived from various sources. Until recently, imaging modalities have been poor at demonstrating the anatomy of the arterial supply to the spinal cord. With improved technologies, however, this part of the central nervous system is now more visible than ever. These improvements in imaging modalities have allowed for more accurate diagnoses of pathologies affecting the spinal cord. Conclusion Knowledge of the disease processes and how it presents will assist the clinician in treating patients with spinal cord lesions. Additionally, knowledge of the imaging modalities used to investigate arterial lesions of the spinal cord will aid the physician in choosing the correct study to investigate the patient's problem. References 1. Backes WH, Nijenhuis RJ. 2008. Advances in spinal cord MR angiography. AJNR Am J Neuroradiol 29:619–631. 2. Bergmann L, Alexander L. 1941. Vascular supply of the spinal ganglia. Arch Neurol Psychiatry 46:761–782. 3. Anand N et. el. Blood Supply to the human spinal cord. II. 2013. Imaging and pathology. Wiley Online Library 1002/ca.22284