The anatomic features of a horseshoe kidney are unique—the kidney is fixed and poorly mobile, with many arterial and venous blood supplies, thereby complicating minimally invasive surgery for renal cancer in this setting. Several reports have described robot-assisted partial nephrectomy (RAPN) to treat renal cancer in a horseshoe kidney, but no reports of RAPN for renal cancer in the isthmus of a horseshoe kidney have been published to date. This case report describes the technique and usefulness of RAPN for treatment of renal cancer located in the isthmus of a horseshoe kidney.
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