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Surgical technique helps adult male survivors of childhood cancer regain fertility
Date:3/14/2011

A new study has shown that a surgical technique called microdissection testicular sperm extraction (TESE) can effectively locate and extract viable sperm in more than one-third of adult male childhood cancer survivors who were previously considered sterile due to prior chemotherapy treatment. As a result, many of the men were subsequently able to father children with the help of in vitro fertilization. The findings offer a new option for many cancer survivors who want to have children but were thought infertile because of earlier cancer treatment.

"It was previously assumed that most male survivors of childhood cancer whose semen contained little to no viable sperm were incapable of fathering children. This study demonstrates that some of these men do in fact still produce healthy sperm, and that this technique can help men experience parenthood," said senior author Peter Schlegel, MD, chairman of the Department of Urology at Weill Cornell Medical College and urologist-in-chief at NewYork-Presbyterian Hospital/Weill Cornell Medical Center in New York.

Most adult men who received certain types of chemotherapy in childhood or adolescence have traditionally been considered infertile. Although some will regain their fertility up to several years after treatment, as many as two-thirds will be permanently left with very low sperm counts, a condition known as azoospermia.

Microdissection TESE enables doctors to identify small areas in the testicles where sperm are made and then carefully extract these healthy sperm cells, even in men whose testicles have been severely damaged by chemotherapy. In this study, 1,072 TESE procedures were performed between 1995 and 2009 on 892 patients with azoospermia. This group included a subgroup of 73 former cancer patients an average of 19 years after receiving chemotherapy.

Researchers were able to retrieve sperm in 37 percent (27 of 73) of male cancer survivors and in 42.9 percent of individu
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Contact: Nicole Fernandes
nicole.fernandes@asco.org
571-483-1354
American Society of Clinical Oncology
Source:Eurekalert

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