青年型乳腺癌一般是指年龄在35岁以下的乳腺癌,不但恶性程度较高,而且容易发生早期转移,预后较差,故早期诊断、早期治疗是提高乳腺癌治愈率的关键。自1969年Gros首次应用钼靶X线摄影术检查乳腺以来,目前该技术对乳腺疾病检查的准确度已达90%以上,成为临床上最常用的检查方法之一。致密 Breast cancer in young people generally refers to breast cancer under 35 years of age, not only higher malignant, but also prone to early metastasis, the prognosis is poor, so early diagnosis and early treatment are the key to improve the cure rate of breast cancer. Since 1969 Gros first application of mammography examination of the breast, the current technology of breast disease examination accuracy of more than 90% has become one of the most clinically used inspection methods. Dense