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The findings from dissection, injection studies, corrosion specimens, and angiograms in 300 specimens of the iliogluteal region taken from 150 cadavers are reported. These findings suggest that the deep superior branches of the superior gluteal vessels may serve a nutritive pedicle in microvascular free transfer of iliac bone. Therefore, the operative technique has been developed and applied clinically with good results. The selection of different vessels as a nutritive pedicle for the free transfer of iliac bone is discussed.

Since 1980, 110 cases of lymphedema have been treated by microlymphaticovenous anastomosis. Of these 110 patients, 91 with obstructive lymphedema of lower limbs were reviewed. The immediate and long-term results have been very satisfactory. Excellent and good results were obtained in 79.1 percent. An average reduction in circumference of the affected limb of 6.4 cm and an average reduction of excess volume of 59.2 +/- 29.5 percent (representing 703 +/- 850 ml) were obtained. Subjective symptoms and objective signs were improved. Four patients (4.4 percent) showed poor results owing to severe fibrosis of neighboring tissue; no lymphatics could be located for anastomosis. As the authors gained experience with the operation over the last 3 years, they modified the operative procedure, the anastomotic technique, and the selection of collective lymphatics. The data obtained suggest that the quality of results is proportional to the number of anastomoses. In order to obtain the best results, the criteria for selection of patients and avoidance of postoperative relapse are discussed. Finally, a test for determination of the indications for microlymphatic surgery is described.