乳腺小叶增生是乳腺增生疾病中最为常见的一种非肿瘤、非炎症性的增生性病变,可发生于青春期以后的任何年龄妇女。病理过程是腺体小叶和乳腺导管末梢的扩张、增生和囊性改变。它的发生和发展与卵巢内分泌功能紊乱有关,多由于孕激素分泌不足和雌激素过多,致使月经周期乳腺组织的增生和复旧过程发生 Mammary lobules hyperplasia is one of the most common non-tumor, non-inflammatory hyperplastic lesions in mammary gland hyperplasia, which can occur in women of any age after puberty. The pathological process is the dilatation, hyperplasia and cystic changes of the gland lobular and mammary ductal terminals. Its occurrence and development and ovarian endocrine disorders, mostly due to the lack of progesterone secretion and excessive estrogen, resulting in the menstrual cycle, mammary gland tissue hyperplasia and the process of resurging