10-year-old little girl breast has lump to return a responsibility painful how

10-year-old girl breast has hard lumps and pain, may be caused by puberty development, local stimulation or injury, breast disease and other reasons.

1. Adolescent development

10-year-old girl may begin to enter puberty, breast development, in this process may appear hard lumps and pain, which is usually bilateral symmetry, may be accompanied by slight changes in nipple areola. This is due to changes in hormone levels in the body physiological reaction, with the development of progress, symptoms tend to gradually ease.

2. Local stimulation or injury

If the breast has been locally stimulated or damaged by external force, it may also lead to hard lumps and pain. May be inadvertent collision, etc., need to carefully inquire about the history to judge.

3. Breast disease

although rare, but can not completely rule out the possibility of breast disease, such as breast fibroadenoma and other benign lesions, or other more rare diseases.