Removing the aortic and pelvic lymph nodes during surgery for advanced ovarian cancer improves progression-free survival but not overall survival, according to a new study in the April 20 issue of the Journal of the National Cancer Institute.
Ovarian cancer is the fifth most common cancer in women worldwide. In the United States, about 25,000 women were diagnosed with the disease in 2004 and 16,000 women died from it. Long-term survival is possible after surgery and chemotherapy, but only about 30% of patients with advanced ovarian cancer survive 5 or more years after diagnosis. Retrospective studies have suggested that lymphadenectomy--the removal of the aortic and pelvic lymph nodes during cytoreductive surgery to remove the cancer--may improve survival, but the value of the procedure remains controversial.
To determine whether systematic aortic and pelvic lymphadenectomy improves progression-free and overall survival, Pierluigi Benedetti Panici, M.D., of "La Sapienza" University in Rome, and colleagues conducted a clinical trial in which 427 patients with advanced ovarian cancer were randomly assigned to undergo either primary cytoreductive surgery followed by lymphadenectomy or cytoreductive surgery only. The patients were followed for an average of 68.4 months.
Sarah L. Zielinski | EurekAlert!
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