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CT and MR Imaging of Complications of Partial Nephrectomy¹

¹ From the Department of Radiology, Yale University School of Medicine, PO Box 208042, 333 Cedar St, New Haven, CT 06520-8042 (G.M.I., E.H.); and Department of Radiology, New York University Medical Center, New York, NY (E.H., M.A.B.). Received January 4, 2006; revision requested March 13 and received March 28; accepted March 29. All authors have no financial relationships to disclose. Address correspondence to G.M.I. (e-mail: gary.israel{at}yale.edu).

The standard treatment for renal cell carcinoma for many years was radical nephrectomy, but in the past decade there has been a trend toward elective nephron-sparing surgery. Initially, partial nephrectomy was performed with an open surgical approach; more recently and with increasing frequency, a laparoscopic approach has been used in selected cases. Nephron-sparing surgery with either approach is more complex than is traditional radical nephrectomy and more frequently results in complications. The possible complications of partial nephrectomy include vascular, collecting system, and technical complications as well as recurrent tumor and infection. For prompt diagnosis and appropriate management of these complications, radiologists must be familiar with normal and abnormal features in the postoperative appearance of the kidney at computed tomography and magnetic resonance imaging.

© RSNA, 2006

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