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Pyelectasis, hydronephrosis: Ultrasound helps predict future urologic surgery. (Obstetrics).
NEW ORLEANS -- Much more specific information on outcomes now can be given to pregnant women whose fetuses have urinary tract abnormalities detected on ultrasound.
Only about 4% of cases of isolated pyelectasis will ultimately require surgery, Dr. Max Maizels said at the annual meeting of the Society for Maternal-Fetal Medicine.
Hydronephrosis, by contrast, typically requires surgical correction in approximately 30% of cases. "Those two terms often are used interchangeably in the literature, he said, explaining that pyelectasis is dilation of the renal pelvis, while hydronephrosis also is characterized by caliceal dilation.
These risk estimates result from a collaborative program including prenatal and postnatal specialists from various institutions in Chicago. Since 1998, Dr. Maizels and his colleagues prospectively collected data on all pregnancies referred for fetalurologic evaluation with the goal of refining their ability to predict outcome.
A total of 169 cases were referred; 132 of these were pyelectasis, and 38 were hydronephrosis, said Dr. Maizels of the division of urology at ...
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Source: HighBeam Research, Pyelectasis, hydronephrosis: Ultrasound helps predict future urologic...