Abstract
Wide excision of primary malignant melanoma en bloc with regional lymphadenectomy decreases the incidence of regional recurrence as compared with a discontinuous dissection. The more extensive soft tissue defect of the incontinuity procedure is of concern since major lymphatics are often ablated from the ankle region up to the aortic bifurcation. This problem was studied in 81 currently living patients, all of whom had been operated upon for primary melanoma located below the distal thigh. Measurable lymphedema was found in 64% who had had the incontinuity procedure and 69% in the discontinuity group. The incidence of advanced lymphedema (greater than two inches) was 23% and 36%, respectively. All patients with advanced edema had been operated upon more than 3 years ago. Eighty per cent of patients operated upon more than 5 years ago had lymphedema. Wound complications had occurred in 41% of the patients in the incontinuity group and 42% in the discontinuity group, but this did not affect the incidence of edema. The clinical findings are readily explainable on the basis of lymphangiographic data.
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Selected References
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