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June 19, 1996


Author Affiliations

Washington University School of Medicine, St Louis, Mo

JAMA. 1996;275(23):1854-1855. doi:10.1001/jama.1996.03530470082049

This past year was very special for radiology, one of the few medical specialties that can state precisely the date of its beginning, because 1995 was the 100th anniversary of Professor Wilhelm Conrad Röntgen's discovery of the X ray in a physics laboratory in Würzburg, Germany. This centennial was celebrated with special lectures, presentations, and exhibits throughout the world by radiologists, scientists, and their colleagues. The celebration included a Roentgen Centennial issue of JAMA on September 20, 1995.1 For this issue of Contempo, developments in magnetic resonance angiography (MRA), image-guided therapy, and imaging on the Internet are summarized.

Magnetic resonance imaging (MRI) has been capable of identifying blood flow and the anatomy of larger blood vessels since its inception, and a series of technical improvements during the past 2 years has improved the spatial resolution of MRI enough to make MRA of increasing clinical interest for diagnosis in many