RESUMO
Good quality management for computerized Tomography [CT] scanners is essential to safe and efficient CT units, providing quality clinical images, maintaining patient and staff radiation doses as low as reasonably achievable. to evaluate the technical specifications of [CT] scanners in Jazan region in the period from 2011-2013. 13 CT scanners have been evaluated; 2 of them are in private sectors and the rest in public hospitals. The Technical specifications of CT scanners were assessed using template issued by ImPACT [Imaging Performance Assessment of CT scanners]. When comparing the 11 public scanners age with guidelines rules of European Coordination Committee of the Radiological and Electro medical Industries [ECCREI]; it showed that scanners of Jazan region are within lifecycle guidelines, the total cumulative number of scanners since 1984 to 2013 are 15 scanners, 4 of them were replaced and the rest under use, multi detector CT scanners replaced most of the single detector scanners. for public CT scanners ; results show that all of the scanners are 3rd generation, gantry bores are arranged between70-80cm, the x-ray tube inventory showed that there is no dual source CT scanner in the region and the anode storage heat capacity ranged from [3-8MHU] except Siemens 64slices and 20slices reached up to [30MHU]. All of scanners in the region are built in solid state, image reconstruction time display per second is ranged from 1-40slice/seconds, advance clinical application software are available among the scanners. Jazan region CT scanners have a high capability and their technical specifications are in a rapid pace in developments that impacting on performance which depends on trade-off between image quality and patient dose