OBJECTIVE To analyze the relationship between the human papilloma virus infections and the development of breast cancer so as to guide the clinical treatment.METHODS A total of 97 cases of breast cancer patients,who were hospitalized from Mar 2007 to Mar 2012,were selected as the study group,85 while 85 cases of patients with breast hyperplasia who were hospitalized at the same time were chosen as the control group;then situ hybridization method was used to analyze the expression of HPV16 or HPV18 as well a...