Abstract
Facilities, which perform mammographic screening, must ensure high quality mammograhic examination of patients and minimize the risk due to patient dose. To obtain high-resolution, high-contrast, low-dose images in mammography, it is necessary to use dedicated X-ray equipment which meets the quality requirements of mammography, to optimize technique factors concerning image recording system and processing patient positioning and bresat compression, and to implement routine check and periodic quality control to maintain these optimum conditinne