For the rare case, fetal surgery during the pregnancy might be offered. A consultation with a pediatric urologist may be need so testing and treatment can be planned following your delivery. We understand that any concerns about your baby's development can be unsettling. But you can rest assured that your Mercy team will at your side with the expert and compassionate care.
Our goals is to protect you and the new life you are bringing into the world. Fetal pyelectasis can also be affected by maternal hydration, i. The risk of postnatal renal pathology is increased with:.
Antenatally detected renal pelvic dilatation, especially in isolation, is considered a weak predictor of vesicoureteric reflux 7 although postnatal sonographic evaluation is often recommended.
The finding of pyelectasis in the second trimester is typically monitored with a repeat prenatal scan in the third trimester, with further postnatal follow-up recommended in cases of persistent pyelectasis Postnatally, most cases with pyelectasis resolve spontaneously in the first year of life, and invasive procedures are not required. Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys.
Updating… Please wait. Unable to process the form. Check for errors and try again. Thank you for updating your details. Log In. Sign Up. Most hydronephrosis in children is first diagnosed with a renal ultrasound. Other tests used may include one or more of the following: voiding cystogram, nuclear medicine renal scan, MRI or CT scan. Depending on the severity of hydronephrosis and its cause, additional follow up studies are usually necessary over time to track the improvement or worsening of the kidney swelling.
If the hydronephrosis is not symptomatic and is improving, then surgical intervention may not be needed. Surgery can become necessary if the disease associated with the congenital hydronephrosis worsens or the child develops an acute cause of hydronephrosis.
Hydronephrosis is a radiology term describing fluid buildup within the kidney. It is like a defense mechanism for the kidney when urine is slow to drain. Stretching of the kidney allows the backpressure of urine to be more evenly distributed. Does the frequency of soft sonographic aneuploidy markers vary by fetal sex?
Degani S, et al. Fetal pyelectasis in consecutive pregnancies: a possible genetic predisposition Ultrasound Obstet Gynecol. Obstet Gynecol. J Ultrasound Med. Mendelsohn C. Functional obstruction: the renal pelvis rules. Electronic address: pubs smfm.
All rights reserved. The upper part of the ureter that funnels urine formed by the kidneys to the lower ureter is called the renal pelvis. Enlargement of the renal pelvis from 4 to 10 millimeters in diameter is called fetal pyelectasis or renal pelvic dilatation RPD.
Enlargement of the renal pelvis to greater than 10 mm is called severe pyelectasis or hydronephrosis. The illustration at right shows a kidney with a normal renal pelvis on the left compared to a kidney with pyelectasis on the right. The likelihood of an underlying abnormality correlates with the severity of the hydronephrosis.
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