700 Children's® – A Blog by Pediatric Experts

Posts by Seth Alpert, MD

Posted by: Seth Alpert, MD on Feb 10, 2025

Stones in the urinary tract form in the kidneys when small particles, which are usually dissolved in the urine, become oversaturated and begin to form small crystals.

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Undescended Testicle
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Undescended Testicles and Your Son’s Health
Testicles are formed in the abdomen prior to birth and descend through the groin and into the scrotum during the course of the mother’s pregnancy. An undescended testicle is one that fails to descend into the scrotum prior to birth.
image of a smiling toddler boy
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Hydronephrosis: A Defense Mechanism for the Kidneys

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. This may help to limit or slow down some of the potential damage to the kidney from urine backing up abnormally.

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Pediatric News You Can Use From America’s Largest Pediatric Hospital and Research Center

700 Children’s® features the most current pediatric health care information and research from our pediatric experts – physicians and specialists who have seen it all. Many of them are parents and bring a special understanding to what our patients and families experience. If you have a child – or care for a child – 700 Children’s was created especially for you.

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Latest Posts

6 Signs Your Child May Have Bladder Dysfunction

Jun 22, 2016

Once your child has been successfully potty-trained – ‘taking care of business’ should get easier – but what if the accidents keep happening? Read More

Emergency! Testicular Torsion!

Jan 28, 2016

There aren’t many true emergencies in my field of pediatric urology, but torsion of the testicle is one of the more common ones that I face on a regular basis. Unfortunately, my experience is that most people are unaware of the issue, even though it can happen in 1 in 4,000 males under age 25. Read More

Promising New Treatment for Incontinence

Jan 13, 2014

As a pediatric urologist, I am often asked to see and treat children with various forms of urinary incontinence. This means a child doesn’t have control over his or her bladder, resulting in a daytime accident two or more times per month. Read More