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  • Title: Comparison of partial and modified radical mastectomy in the community setting--"10 years later".
    Author: Kuusk U, Basco V, Rebbeck P.
    Journal: Can J Surg; 1992 Aug; 35(4):383-7. PubMed ID: 1323380.
    Abstract:
    Conservative surgery followed by postoperative radiation is considered equivalent to a modified radical mastectomy (MRM) for the treatment of early breast cancer. It cannot be assumed that results from selected academic centres are equivalent to those obtained in the general community setting, because there may be differences in patient selection or surgical or radiotherapy techniques that may adversely affect outcome. A quality-control study of women who were seen at the British Columbia Cancer Agency and were treated by partial mastectomy (PM) was begun in 1983. Eighty-four women who underwent conservative surgery between January 1979 and November 1982 and were referred to the British Columbia Cancer Agency were matched with 84 women who underwent MRM. The mean follow-up was 10.5 years. At 10 years disease-free survival in both groups was 63%. Survival overall for the PM group was 72.6% and for the MRM group was 69%. The survival rate decreased with increasing size of the tumour and increasing number of nodes. In women with lymph-node involvement there was a survival advantage for those treated by PM and radiation compared with those treated by MRM. The woman's age at diagnosis did not affect these findings. Recurrence and complication rates were similar in both groups, and treatment was considered equivalent.
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