Blood Flow In Cervical Tumors Can Predict Outcome

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2007-12-17 01:18

Measuring both the level of red blood cells in the body and the blood flow in tumors can help predict which cervical cancer patients are likely to have a better outcome, according to researchers at the Ohio State University Comprehensive Cancer Center.

"We must look at how the oxygenation in the circulation and the vasculature of each individual tumor interact," says Dr. Nina Mayr, a researcher and chair of radiation medicine at the James Cancer Hospital and Solove Research Institute at Ohio State University. "For cancer therapy to be effective, tumors must have blood flow and sufficient oxygen."

Mayr presented the findings recently during the annual meeting of the American Society of Therapeutic Radiology and Oncology in Los Angeles.

"We have identified a method using magnetic resonance imaging (MRI) to check the actual blood flow within tumors as they are treated. If we put together both the number of red blood cells that a patient's body has to carry the oxygen to the tumor, and the blood flow within the tumor, we have a powerful predictor to tell us whether the treatment will work," says Mayr.

Researchers analyzed the levels of red blood cells throughout the course of radiation and chemotherapy in 66 cervical cancer patients. In addition, they examined the blood supply of the tumor during therapy in each patient using innovative MRI techniques.

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