Mammary hyperplasia is a common disease, mostly occurs in 30 to 50-year-old woman. Mammary gland hyperplasia is a normal structure of the disorder. Its occurrence and endocrine dysfunction, progesterone secretion decrease in the relative increase in estrogen related. Studies have shown that, from the morphological view, is not accompanied by simple ductal epithelial hyperplasia of lobular hyperplasia, accounting for 70% of breast hyperplasia, breast cancer will not become. Although only a small number of mammary hyperplasia and malignant lesions will occur, but still can not effect that, should go to the hospital every 3 months review.

Nipple discharge is common, and some are normal physiological phenomenon, some are a manifestation of systemic disease, although some were partially breast lesions as a reaction to. Nipple discharge occurs in many diseases, there is generally summed up in three types: benign and malignant tumors; inflammation; hyperplasia of mammary glands. Tumors accounted for 60% -70%, of which breast cancer accounts for 1 / 4.

Discharge of the characters and the causes not directly related, but bloody, serous, watery discharge in the highest incidence of cancer. Thin bloody discharge the majority of cancer; mucous discharge, mostly benign lesions; and obvious bloody discharge more common intraductal papilloma; purulent discharge caused by multi-system infection. Because nipple discharge in the incidence of breast cancer increases with age increases, so women, if there is a nipple discharge symptoms should immediately go to hospital for treatment.