Abstract

Chronic lymphedema of an extremity has persisted over the years as an unsolved surgical problem. The multiple operations that have been attempted for this condition indicate a continued search for an ideal procedure. Lymphedema appears to be the result of lymphatic flow obstruction in association with varying degrees of venous blockage.<sup>1</sup>Successful treatment of lymphedema would therefore require the introduction of new lymphatic and venous channels into an involved extremity in order to bypass the area of lymphatic and venous obstruction. A new one-stage operation has been devised whereby the omentum, with its rich lymphatic and vascular supply, is used to bridge discontinuity in the lymphatic system of a lymphedematous extremity. In order to test the technical feasibility of mobilizing the omentum for long distances, ten dogs had their omentum fashioned into a pedicle graft with preservation of the gastroepiploic arcade. The length of the omentum was extended so

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