A specific X-ray that examines the urinary tract. Ultrasounds are used to view internal organs as they function, and to assess blood flow through various vessels. A diagnostic imaging technique that uses high-frequency sound waves and a computer to create images of blood vessels, tissues, and organs. This may prompt your doctor to perform further diagnostic tests, which may include: Children who are diagnosed later often have developed urinary tract infections that require evaluation by a doctor. Often, PUV is diagnosed by fetal ultrasound while a woman is still pregnant. The severity of the obstruction often determines how a diagnosis is made. How are posterior urethral valves diagnosed? Always consult your child's doctor for a diagnosis. The symptoms of PUV may resemble other conditions or medical problems. Bedwetting or wetting pants after the child has been toilet trained.Urinary tract infection (usually uncommon in children younger than age 5 and unlikely in boys at any age, unless an obstruction is present).An enlarged bladder that may be detectable through the abdomen as a large mass.However, each child may experience symptoms differently. The following are the most common symptoms of posterior urethral valves. The syndrome may occur in varying degrees from mild to severe. What are the symptoms of posterior urethral valves? However, some cases have been seen in twins and siblings, suggesting a genetic component. This disorder is usually sporadic (occurs by chance). The abnormality affects only males and occurs in about one in 8,000 births. It is thought to develop in the early stages of fetal development. PUV is the most common cause of severe types of urinary tract obstruction in children.

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