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To determine whether immediate or delayed lymphadenectomy is more beneficial than none in cases of localized (stage I) melanoma, we undertook in 1972 a prospective randomized study. Patients with midline trunk lesions were excluded as well as patients with lesions situated directly over the node-bearing area. In addition, because of the low risk of metastasis, the protocol was changed to exclude level 2 lesions. Of the 173 patients studied, 63 were randomized to no lymphadenectomy, 56 to delayed (3 months) lymphadenectomy, and 54 to immediate lymphadenectomy. None of these regimens differed significantly from the others in its effect on length of survival or interval to metastasis. And of the 110 patients who underwent elective lymphadenectomy, 103 were without nodal involvement. Our preliminary conclusion is that elective node dissection is not beneficial in management of melanoma. However, disease progression was advanced significantly by age of the patient (greater than 60 years) and by invasiveness (level 4 or 5) and thickness (greater than 1.5 mm) of the melanoma.
Sim et al. (Wed,) studied this question.