Disease analysis: Generally speaking, if the breast suddenly has persistent severe pain and obvious tenderness, it is considered as various acute infectious diseases of the breast; If pulsatile pain occurs locally, it may be local suppuration. If the breast pain is paroxysmal, and it starts before menstruation or worsens after menstruation, and can be relieved or disappeared after menstruation, it is considered as premenstrual tension syndrome.

Suggestion: The pain is swollen or needle-like, and sometimes it can extend to the armpit or shoulder and back of the same side. Patients with local mild to moderate tenderness are regarded as proliferative lesions.