What is the role of lab testing in the workup of ureteral injuries in gynecologic surgery?

Updated: Nov 12, 2020
  • Author: Sandip P Vasavada, MD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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If the ureteral injury is noted intraoperatively, additional laboratory tests are rarely, if ever, needed. Imaging studies are of greater benefit.

If ureteral injury is suspected postoperatively, laboratory tests, including a complete blood cell count (CBC) with manual differential and an electrolyte panel with blood urea nitrogen (BUN) and serum creatinine level, are needed to assess for possible infection and kidney dysfunction.

In the event that a CT-guided aspiration of an abdominal or pelvic fluid collection has been performed or if pelvic drain output is high through a surgically placed drain, a creatinine measurement of the fluid may be helpful in distinguishing whether the fluid is urine (as would be indicated by an elevated creatinine level).

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