11. Spinal angiography was pioneered by Ommaya, Di Chiro, and Doppman. 12. Techniques of fluorescein angiography developed by Knight won international acclaim. 13. In Digital Subtraction Angiography ( DSA ), the images are acquired digitally. 14. Cardiac catheterization and coronary angiography are often performed to exclude ischemic heart disease. 15. Angiography only reveals the edge of the atheroma that protrudes into the lumen.16. The DR 960 was introduced in 1982 as a digital subtraction angiography device. 17. Its location can be identified with computed tomographic angiography . 18. Imaging modalities may include direct angiography , magnetic resonance angiography, and ultrasonography. 19. Imaging modalities may include direct angiography, magnetic resonance angiography , and ultrasonography. 20. For a detailed assessment of the artery, a MR angiography is required.
