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Temple University Hospital investigates treatment for cervical dysplasia

six months."

According to Hernandez, HPV vaccines have shown protection against certain high-risk strains that cause approximately 55 percent of high-grade cervical dysplasia and 70 percent of cervical cancer cases. "The vaccines do not eliminate the risk of developing cervical cancer," said Hernandez. " They do not provide protection to women who are already infected with HPV, nor have they been shown to cure existing disease or lesions."

Every year, more than 3 million women have an abnormal result on a routine Pap test. Of these women, about 300,000-500,000 receive a diagnosis of moderate to severe cervical dysplasia, caused by certain high-risk HPV strains. "The prophylactic vaccines, which are highly effective in preventing the initial HPV infection, have not demonstrated effectiveness after the infection has progressed to cervical dysplasia," Hernandez explained.

For women diagnosed with high-grade cervical dysplasia, the most widely utilized treatment option is surgery. "The most common surgical procedure is LEEP (Loop Electrosurgical Excision Procedure), which removes the diseased part of the cervix," said Hernandez. "Although LEEP is effective, it may cause complications related to fertility and childbirth, such as cervical stenosis, pre-term delivery, low birthweight babies, and premature rupture of membranes."

Approximately 20 million people, mostly women, are currently infected with HPV, with 6.2 million new infections occurring annually, according to the Centers for Disease Control and Prevention. In a three-year study of college-aged women, 60 percent of subjects were infected with HPV. While the virus clears itself from the body in most women within two years, about a dozen high-risk strains can lead to more serious problems and are the main culprit for cervical cancer.
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Source:Temple University Health System


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