What is the role of ultrasonography in the management of urolithiasis during pregnancy?

Updated: Aug 17, 2021
  • Author: Raisa O Platte, MD, PhD; Chief Editor: Edward David Kim, MD, FACS  more...
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If ultrasonography reveals a stone, ultrasound-guided cystoscopic passage of a ureteral stent may relieve ureteral colic. In some cases (eg, pyonephrosis with an obstructing stone), percutaneous nephrostomy can be useful. Cystoscopic extraction of a distal ureteral stone (with fluoroscopic guidance) should be used sparingly because of the risk of ionizing radiation to the fetus.

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