doi:10.1016/j.ejso.2007.04.007

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Permalink : http://id.nii.ac.jp/1657/00045103/

The feasibility of sentinel node biopsy in the previously treated breast 利用統計を見る

アイテムタイプ	学術雑誌論文 / Journal Article
言語	英語
著者	Koizumi Mitsuru Koyama Masamichi Saga Tsuneo et.al
抄録	PURPOSE: Sentinel lymph node biopsy (SNB) has been a standard technique in early breast cancer. However, it is not clear that the SNB procedure can be applied to second breast cancer or recurrence occurring in the previously treated breast. The purpose of this study was to clarify the feasibility of the SNB procedure in breast cancer occurring in the previously treated breast, and to investigate the factors related to altered lymphatic flow. PATIENTS AND METHODS: Between April 2004 and December 2006, 1490 patients underwent the breast SNB procedure. Among them, 31 patients had a history of previous treatments in the same breast. Recent excision biopsy cases were not included in this group. All patients had previous breast-conserving surgery in the same breast. Sixteen patients had axillary dissection, 3 had SNB, and 12 had no axillary treatment. Ten patients had received radiation therapy to the breast and axilla. Visualization of axillary nodes, internal mammary nodes and contralateral axillary nodes was evaluated and compared with pathological results. RESULTS: Axillary nodes were visualized in 23 patients, internal mammary nodes in 7 patients, and contralateral axillary nodes in 7 patients. The patients with previous axillary dissection exhibited altered lymph node distribution, but did not show involvement of contralateral axillary nodes. Visualization of contralateral axillary nodes occurred in 7 of the 10 patients with previous irradiation to breast irrespective of axillary dissection. Twenty-eight patients underwent SNB, 4 of whom showed cancer-positive nodes. Three patients were cancer-positive in non-ipsilateral axillary nodes (one patient showed positive opposite axillary node and two patients showed positive internal mammary nodes). CONCLUSION: Previous axillary dissection or irradiation to the breast greatly influences lymphatic flow. Irradiation to the breast may be a strong factor for the visualization of contralateral axillary nodes. Despite the frequent alteration of lymphatic flow, SNB seems to be feasible in secondary or recurrent breast cancer patients.
雑誌名	European Journal of Surgical Oncology
巻	34
号	4
ページ	365 - 368
発行年	2007-05
ISSN	0748-7983
DOI	10.1016/j.ejso.2007.04.007
著者版フラグ	none