Abstract
Background
Axillary lymph node dissection (ALND) has been recommended to include levels I–III for melanoma patients who have evidence of metastasis in the axillary sentinel lymph node (SLN). The extent of the subsequent axillary dissection is in debate. The objective of this study was to determine the frequency of metastasis of level III nodes in addition to that of level II nodes in this setting.
Methods
A multi-institutional retrospective study was undertaken in 14 melanoma treatment centers in Japan.
Results
Between 2007 and 2012, 69 patients with involved axillary SLNs underwent a subsequent ALND and 55 underwent level I and II dissections. Level III metastatic nodes, which is our primary endpoint, were seen in only 1 patient (1.5 %). The level II metastatic rate was 4.4 %.
Conclusions
Our study sample size was small, but melanoma patients with positive SLN rarely had level III disease, suggesting that level III dissection may be unnecessary. We also found that level II metastasis was not so frequent. More evidence is needed to standardize the extent of ALND and to identify the patients who would have the most benefit with undergoing level II dissection for positive axillary SLNs.
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Acknowledgments
This work was partly supported by National Cancer Center Research and Development Fund (26-A-4). We thank Prof. Ryuhei Okuyama from Department of Dermatology, Shinshu University; Dr. Yasuhiro Nakamura and Prof. Akifumi Yamamoto from Department of Skin Oncology and Dermatology, Saitama Medical University International Medical Center; Prof. Hironobu Ihn from Department of Dermatology and Plastic Surgery, Kumamoto University; Dr. Yoshie Hasegawa and Prof. Masashi Akiyama from Department of Dermatology, Nagoya University; Prof. Akemi Yamamoto from Department of Dermatology, Asahikawa Medical University; Prof. Shinji Imafuku from Department of Dermatology, Fukuoka University; Dr. Kentaro Yonekura and Prof. Takuro Kanekura from Department of Dermatology, Kagoshima University; Dr. Takafumi Kadono from St. Marianna University School of Medicine; Prof. Shinichi Sato from Department of Dermatology, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo; Dr. Takamichi Ito and Prof. Masutaka Furue from Department of Dermatology, Kyushu University; Prof. Manabu Fujimoto from Department of Dermatology, University of Tsukuba; and Prof. Tetsuya Tsuchida from Department of Dermatology, Saitama Medical University, for their cooperation.
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Tsutsumida, A., Takahashi, A., Namikawa, K. et al. Frequency of level II and III axillary nodes metastases in patients with positive sentinel lymph nodes in melanoma: a multi-institutional study in Japan. Int J Clin Oncol 21, 796–800 (2016). https://doi.org/10.1007/s10147-015-0944-y
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DOI: https://doi.org/10.1007/s10147-015-0944-y