乳腺癌是妇女继肺癌之后癌致死的第二大死因;乳腺增生也成为妇女常见病。乳腺癌的早期发现、早期治疗对其愈后有重大影响。现代先进的钼铑双靶X线机照相已成为乳腺检查的首选方法,是目前唯一被美国FDA批准用于乳腺癌普查的影像检查方法[1]。1材料与方法1·1设备GE SENOGRAPHE D Breast cancer is the second leading cause of cancer death in women after lung cancer; breast hyperplasia has also become a common disease in women. The early detection and early treatment of breast cancer have a major impact on them. Modern advanced photography of molybdenum and rhodium twin target X-ray machines has become the preferred method for breast examination. It is currently the only imaging method approved by the US FDA for breast cancer screening [1]. 1 Materials and Methods 1·1 Equipment GE SENOGRAPHE D