American journal of surgery · 2006
Sentinel lymph node dissection for breast cancer: how many nodes are enough and which technique is optimal?
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Woznick Amy, Franco Marianne, Bendick Philip, Benitez Pamela R
Аннотация
BACKGROUND: Controversy exists in sentinel lymph node (SLN) mapping in breast cancer regarding the appropriate number of nodes to remove and the best technique for identification of the SLNs.
METHODS: A retrospective chart review from January of 1999 to January of 2004 was performed for all patients undergoing a SLN biopsy examination who had at least 1 positive SLN.
RESULTS: We identified 167 patients. A mean of 4.4 SLNs were removed per patient. All of the positive SLNs were identified by node 6. Radiotracer used alone identified 19 positive nodes (11.4%) and blue dye used alone identified 14 positive nodes (8.4%).
CONCLUSIONS: Our data show that 100% of positive SLNs are found by 6 nodes removed, thereby supporting the concept that the SLN dissection may not be complete by removing only 1 or 2 nodes or only the hottest node. The use of blue dye or radiotracer alone can contribute to the overall false-negative rate.
METHODS: A retrospective chart review from January of 1999 to January of 2004 was performed for all patients undergoing a SLN biopsy examination who had at least 1 positive SLN.
RESULTS: We identified 167 patients. A mean of 4.4 SLNs were removed per patient. All of the positive SLNs were identified by node 6. Radiotracer used alone identified 19 positive nodes (11.4%) and blue dye used alone identified 14 positive nodes (8.4%).
CONCLUSIONS: Our data show that 100% of positive SLNs are found by 6 nodes removed, thereby supporting the concept that the SLN dissection may not be complete by removing only 1 or 2 nodes or only the hottest node. The use of blue dye or radiotracer alone can contribute to the overall false-negative rate.