Phimosis is a constriction of the opening of the foreskin so that it cannot be drawn back over the tip of the penis. This condition is a normal occurrence in the newborn boy, but over time the skin that adheres to the tip of the penis can be retracted as the foreskin loosens. By age 17, around 99 percent of males will be able to completely retract their foreskin. Phimosis can also occur if the foreskin is forced back before it is ready. This can cause a fibrous scar to form, which may prevent future retraction of the foreskin.
Paraphimosis occurs when the foreskin is retracted behind the corona (or crown) of the penis and cannot be returned to the unretracted position. This can cause entrapment of the penis, impairing the drainage of blood, and may be serious.
The following are the most common symptoms of phimosis and paraphimosis. However, each child may experience symptoms differently. Symptoms may include:
The symptoms of phimosis and paraphimosis may resemble other problems or medical conditions. Always consult your child's doctor for a diagnosis.
A careful physical examination by your child's doctor normally provides satisfactory information to make a diagnosis.
At Children’s National in Washington, DC, our pediatric urologists provide comprehensive care for disorders affecting reproductive and urinary organs.
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Craig Peters, MD, is the chief of Surgical Technology and Translation and Principal Investigator in the bioengineering initiative at the Sheikh Zayed Institute for Pediatric Surgical Innovation.
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