What is the role of lab tests in the preoperative workup for partial nephrectomy nephron-sparing surgery (NSS)?

Updated: Apr 01, 2019
  • Author: Reza Ghavamian, MD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Answer

Routine preoperative laboratory studies, including complete blood cell count, electrolyte assessment, blood urea nitrogen, and creatinine assessment, are obtained. Note the following:

  • Although no set level of serum creatinine precludes nephron-sparing surgery (NSS), the patient's baseline renal function is important. Not all patients with chronic renal insufficiency (CRI) require renal replacement therapy in the short term, and many can be treated medically for long periods.

  • Radical nephrectomy can place the patient in need of immediate renal replacement therapy. If anatomically feasible, NSS can delay the onset of dialysis without compromising cancer care in the properly selected patient with CRI.

The patient's blood should be typed and cross-matched.

Other blood tests may include liver function tests and serum ferritin assessment, although tests to detect metastases are not always necessary in the small, incidentally detected mass that is amenable to partial nephrectomy.


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