The radiology of ex vivo renal perfusion and autotransplantation

The radiologic findings in 16 patients subjected to ex vivo renal perfusion and autotransplantation are reviewed. Preoperative excretion urography and renal arteriography are essential to define ureteral and arterial anatomy; renal scintiangiography and renography are useful for baseline studies. Plain radiographs should be obtained during nephrolithotomy. Intraoperative renal arteriography should be reserved for patients who require more precise definition of vascular anatomy or verification of adequate repair after a difficult dissection. Postoperative scintiangiography is required on the first day to exclude arterial occlusion. Renography and urography to evaluate autotransplant anatomy and function should be deferred for about 3 weeks, unless there is clinical evidence of a complication.
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