Pediatric Health Library

Pediatric Diseases and Conditions: U

  • Ulcerative Colitis in Children

    Ulcerative colitis is an inflammatory bowel disease (IBD). In this condition, the inner lining of your child’s large intestine (colon or bowel) and rectum gets inflamed. This inflammation often starts in the rectum and lower (sigmoid) intestine. Then it spreads to the whole colon.

  • Ultrafast/Electron Beam CT Scan

    Detailed information on ultrafast computed tomography (CT) scan, including reasons for the procedure, risks of the procedure, what to expect, and discharge instructions

  • Ultrasound in Pregnancy

    Detailed information on ultrasound and the potential risks and benefits

  • Umbilical Cord Care

    In a few weeks, your baby will have the cutest little belly button. But right now the healing remains of his umbilical cord need special care. Here’s how to make sure the cord remainder stays infection-free.

  • Understanding Your Child's Lymphatic System

    Detailed anatomical information on the lymphatic system

  • Undescended Testes in Children

    Undescended testes is when one or both of the male testes have not passed down into the scrotal sac. This is a condition seen in some newborn baby boys.

  • Uniparental Disomy: Prader-Willi Syndrome, Angelman Syndrome

    Detailed information on uniparental disomy

  • Upper Respiratory Disorders

    Detailed information on the most common types of upper respiratory infections, including common cold, influenza, pharyngitis, tonsillitis, and sinusitis

  • Ureterocele and Ureteral Duplication in Children

    A ureterocele is when part of a ureter right near the bladder becomes larger and bulges. This happens because the ureter’s opening into the bladder is too small and blocks urine flow.

  • Urinary Incontinence (Enuresis) in Children

    In children under age 3, it’s normal to not have full bladder control. As children get older, they become more able to control their bladder. When wetting happens in a child who is old enough to control his or her bladder, it’s known as enuresis.

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