Anticancer research · 2017
Feasibility of Postoperative Radiotherapy Using Conventional Fractionation for Lymph Node Metastasis from Cutaneous Melanoma.
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Kim Yeon Joo, Song Si Yeol, Kim Wanlim, Jeong Seong-Yun, Choi Wonsik, Je Hyoung Uk, Lee Jong-Seok, Choi Eun Kyung
Аннотация
AIM: In the present study we assessed if postoperative radiotherapy (PORT) using conventional fractionation confers a benefit in cutaneous melanoma patients with lymph node (LN) metastasis.
PATIENTS AND METHODS: Sixty-two patients with axillary or inguinal LN metastasis were retrospectively reviewed. Twenty-eight patients received PORT. The median RT dose was 50 Gy in 25 fractions. The high-risk group was defined by the presence of any of the following: ≥3 LNs, size ≥3 cm, extranodal extension.
RESULTS: The median follow-up time was 34 months. PORT showed a significant benefit on 5-year axilla-inguinal recurrence-free survival (RFS) in high-risk patients (RT 100% vs. No-RT 37%, p=0.001). There was also a benefit of RT on 5-year out-field RFS in the high-risk population (RT 93% vs. No-RT 29%, p=0.002). There were no ≥grade 2 lymphedemas after RT.
CONCLUSION: PORT using conventional fractionation for high-risk LN metastasis from cutaneous melanoma is feasible with comparable regional control and minimal toxicity.
PATIENTS AND METHODS: Sixty-two patients with axillary or inguinal LN metastasis were retrospectively reviewed. Twenty-eight patients received PORT. The median RT dose was 50 Gy in 25 fractions. The high-risk group was defined by the presence of any of the following: ≥3 LNs, size ≥3 cm, extranodal extension.
RESULTS: The median follow-up time was 34 months. PORT showed a significant benefit on 5-year axilla-inguinal recurrence-free survival (RFS) in high-risk patients (RT 100% vs. No-RT 37%, p=0.001). There was also a benefit of RT on 5-year out-field RFS in the high-risk population (RT 93% vs. No-RT 29%, p=0.002). There were no ≥grade 2 lymphedemas after RT.
CONCLUSION: PORT using conventional fractionation for high-risk LN metastasis from cutaneous melanoma is feasible with comparable regional control and minimal toxicity.