X-Ray CT and Magnetic Resonance Imagers

Abstract

Magnetic resonance (MR) imaging is an exciting new diagnostic method that over the past several years has shown signs of generating interest among both physicians and investment bankers that is reminiscent of the "CAT fever" induced by the introduction of x-ray computed tomography (CT) scanners a decade ago.¹ Despite the clinical potential of MR imaging, however, veteran observers have predicted that it will not spread as rapidly in the United States as CT scanners did in the 1970s.² As an outgrowth of an effort to evaluate the impact federal policies are having on the medical-devices industry,³ we undertook a survey . . .