目的　探讨乳腺囊性增生症的X线表现及其诊断。方法　对 3 6例经手术病理证实或穿刺活检病理证实的乳腺囊性增生症钼靶X线片进行回顾性分析。结果　 3 6例中 ,X线表现为弥漫型 16例 (44.4% ) ,肿块型 9例 (2 .7% ) ,钙化型 11例(3 0 .6% ) ,导管造影 5例 (13 .9% )。结论　乳腺囊性增生症的X线诊断应与临床相结合 ,X线征象是本病的重要诊断依据 ,肿块的晕环征具有特征性 Objective To investigate the X-ray findings and diagnosis of cystic hyperplasia of breast. Methods Retrospective analysis was performed on 36 mammograms of breast cystic hyperplasia confirmed by pathology or biopsy in 36 cases. Results Of the 36 cases, 16 were diffuse (44.4%), 9 (2.7%) were mass, 11 (30.6%) were calcified, and 5 %). Conclusion X-ray diagnosis of breast cystic hyperplasia should be combined with clinical, X-ray signs is an important diagnostic basis for the disease, the halo signs of the tumor has a characteristic