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Test increases odds of correct surgery for thyroid cancer patients
Date:7/25/2014

PITTSBURGH -- The routine use of a molecular testing panel developed at UPMC greatly increases the likelihood of performing the correct initial surgery for patients with thyroid nodules and cancer, report researchers from the University of Pittsburgh Cancer Institute (UPCI), partner with UPMC CancerCenter.

The test, available at the UPMC/UPCI Multidisciplinary Thyroid Center and other diagnostic testing agencies, improved the chances of patients getting the correct initial surgery by 30 percent, according to the study published this month in the Annals of Surgery.

"Before this test, about one in five potential thyroid cancer cases couldn't be diagnosed without an operation to remove a portion of the thyroid," said lead author Linwah Yip, M.D., assistant professor of surgery in Pitt's School of Medicine and UPMC surgical oncologist. Previously, "if the portion removed during the first surgery came back positive for cancer, a second surgery was needed to remove the rest of the thyroid. The molecular testing panel now bypasses that initial surgery, allowing us to go right to fully removing the cancer with one initial surgery. This reduces risk and stress to the patient, as well as recovery time and costs."

Cancer in the thyroid, which is located in the "Adam's apple" area of the neck, is now the fifth most common cancer diagnosed in women. Thyroid cancer is one of the few cancers that continues to increase in incidence, although the five-year survival rate is 97 percent.

Previously, the most accurate form of testing for thyroid cancer was a fine-needle aspiration biopsy, where a doctor guides a thin needle to the thyroid and removes a small tissue sample for testing. However, in 20 percent of these biopsies, cancer cannot be ruled out. A lobectomy, which is a surgical operation to remove half of the thyroid, is then needed to diagnose or rule-out thyroid cancer. In the case of a postoperative cancer diagnosis, a second surgery is required
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Contact: Allison Hydzik
hydzikam@upmc.edu
412-647-9975
University of Pittsburgh Schools of the Health Sciences
Source:Eurekalert

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