CT Scanners: Distribution and Planning Status in the United States

Abstract

Computed tomography (CT) is a sophisticated diagnostic x-ray procedure that was developed in Great Britain and introduced in the United States in 1973. The need for CT scanners, particularly for newer devices capable of scanning the entire body, remains controversial. Physicians are impressed with the diagnostic information conveyed by CT, and its relative safety and convenience for the patient.¹ Planners and third-party payers are concerned about the ultimate patient benefit to be derived from CT, the high purchase and operating cost of the equipment, and the possibilities for inappropriate use and excessive charges.² Trends in the number, distribution and planning . . .