ABSTRACT
Purpose:We shall provide the clinical and pathological bases in breast cancer operation in which the nipple and ring reserved.Methods:We combine clinical and pathological material , analyses the result of the nipple and ring that cut off wholly and the sample cut down in slice continuously. We analysis the DNA polyploid of carcinoma tissue in FCM technology . Sinonimously , we measure the PCNA expression in immunohistochemistory. We reserve the breast of patients that suffer from breast cancer and further discuss the possibility and safely .The study will provide practice evidence for breast cancer patients who would perform operation. Results:We measure the linear distance from edge of tumor to ring that are 19.6mm. and The patient suffer from breast cacinoma in stage and tumor bed under nipple and ring could not perform operation that reserved nipple and ring.Conclusions:If we stringent control the standard in reservation of breast, The patients suffering from breast cancer will be safely more and more.