All patients should undergo routine laboratory testing including a complete blood count, platelet count, serum electrolytes, coagulation profile, urinalysis, and a type and screen. Any coagulopathy or urinary infection should be treated prior to proceeding with surgery. An electrocardiogram and chest radiograph should be obtained if indicated. All necessary radiologic tests (i.e., sonogram, computed tomography, and magnetic resonance imaging) should be made available for reference during the operation.
Special attention must be made to confirm the presence of a normal contralateral renal unit especially in cases where partial or radical nephrectomy may be required.
Patients should be instructed to discontinue all aspirin, ibuprofen, vitamin E, warfarin, and any other blood thinners at least 7 to 10 days prior to surgery.
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