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Annals of Surgical Oncology, Vol 7, Issue 9 680-684, Copyright © 2000 by Society of Surgical Oncology

ARTICLES

Prevention of local recurrence after surgical debulking of nodal and subcutaneous melanoma deposits by hypofractionated radiation

K. T. Morris, C. M. Marquez, J. M. Holland and J. T. Vetto
Department of Surgery, Oregon Health Sciences University, Portland 97201-3098, USA.

BACKGROUND: Local recurrence (LR) after surgical debulking of nodal or subcutaneous melanoma deposits defeats the purpose of operation and may worsen prognosis if the procedure was performed for stage III disease. To decrease LR rates in this setting, we extended the previously described role of hypofractionated radiation for melanoma deposits of the neck to all situations where the patient was felt to be at high risk for postoperative relapse after resection of bulky disease. METHODS: Hypofractionated external beam radiation was administered in 6-Gy doses for 5 fractions (total dose 30 Gy, given over a median of 15 elapsed days) to 42 resected melanoma deposit sites in 41 patients. RESULTS: Stages of the 41 patients at the time of treatment were: 22 stage III and 19 stage IV. All patients had complete gross resection of disease at the radiation site before radiation. Mean time between operation and initiation of radiation was 4 weeks. The 42 sites of treatment included 27 neck, 9 axilla, 3 groin, and 3 subcutaneous deposits. There were no treatment-related deaths; side effects were minimal and self-limited. Transient erythema, desquamation, fibrosis, telangiectasias, and mucositis, parotiditis, and xerostomia (for head and neck radiation) were reported, but no patient required interruption of therapy for these events. Of the 42 treated sites, only 2 recurred in the treatment field (one neck, one axilla) during the mean follow-up time of 22.4 months, for a treatment failure rate of 4.8%. This represents improved local control compared with patients treated with surgery alone at our institution and with published recurrence rates. CONCLUSIONS: The addition of hypofractionated radiation therapy after resection of nodal and subcutaneous melanoma deposits at a variety of sites is a rapid and well-tolerated method of providing excellent local control.


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M. T. Ballo, G. K. Zagars, J. E. Gershenwald, J. E. Lee, P. F. Mansfield, K. B. Kim, L. H. Camacho, P. Hwu, and M. I. Ross
A Critical Assessment of Adjuvant Radiotherapy for Inguinal Lymph Node Metastases from Melanoma
Ann. Surg. Oncol., December 1, 2004; 11(12): 1079 - 1084.
[Abstract] [Full Text] [PDF]


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