Stones During Pregnancy: Difference between revisions
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==== Ultrasound ==== | ==== Ultrasound ==== | ||
* '''Preferred modality in pregnant women''' | * '''<span style="color:#ff0000"Preferred modality in pregnant women''' | ||
* '''If an obstructing calculus cannot be visualized by conventional renal US, transvaginal US can provide imaging of the distal ureter''' | * '''<span style="color:#ff0000"If an obstructing calculus cannot be visualized by conventional renal US, transvaginal US can provide imaging of the distal ureter''' | ||
==== MRI ==== | ==== MRI ==== | ||
* '''Recommended as a second-line imaging test when ultrasonography is nondiagnostic''' (CW12 p2039) | * '''<span style="color:#ff0000"Recommended as a second-line imaging test when ultrasonography is nondiagnostic''' (CW12 p2039) | ||
* Does not rely on ionizing radiation or contrast medium, making it a potentially attractive tool to evaluate pregnant patients. | * Does not rely on ionizing radiation or contrast medium, making it a potentially attractive tool to evaluate pregnant patients. | ||
* '''Because MRI does not visualize calcium, stones are seen as filling defects overlying the high signal intensity of urine.''' | * '''Because MRI does not visualize calcium, stones are seen as filling defects overlying the high signal intensity of urine.''' | ||