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Impact of axillary lymph node dissection on the therapy of breast cancer patients
P P Lin1, D C Allison, J Wainstock
1Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD.
Purpose:
We studied a series of 283 breast cancer patients retrospectively to determine the actual benefits of axillary lymph node dissection (ALND) for these patients.
Patients And Methods:
The records of 283 women with invasive breast cancer treated between 1988 and 1990 were reviewed for histologic status of the axillary lymph nodes, tumor size, DNA content, hormone-receptor values, and actual adjuvant treatments received.
Results:
ALND was of possible therapeutic benefit for the 15% (43 of 283) of patients who had clinically positive nodes. Nodal metastases were found in 86% (37 of 43) of patients in this subgroup. ALND alone determined the indication for standard adjuvant therapy for a group of 31% (88 of 283) of patients who had favorable primary biopsy findings and clinically negative axillary nodes; ALND proved that 13% (11 of 88) of these latter patients had positive nodes. For 54% (152 of 283) of patients who had clinically negative nodes and unfavorable biopsies, ALND played no role in the decision as to whether standard adjuvant therapy was indicated. Only 5% (seven of 152) and 3% (four of 152) of these latter patients received radiation therapy and/or high-dose adjuvant chemotherapy, respectively, because of ALND.
Conclusion:
The benefits of ALND vary greatly for different groups of breast cancer patients, and controlled studies may be needed to determine whether ALND is necessary for all breast cancer patients.
