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Breast Tumor Localization Implant Removes Time Constraints

By HospiMedica International staff writers
Posted on 29 Nov 2017
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Image: The Savi Scout surgical guidance system (Photo courtesy of Cianna Medical).
Image: The Savi Scout surgical guidance system (Photo courtesy of Cianna Medical).
A novel non-radioactive breast tumor localization system used can be implanted with no restrictions on the length of time the reflector can remain in the breast.

The Cianna Medical (Aliso Viejo, CA, USA) Savi Scout breast tumor localization system uses electromagnetic (EM) wave technology to provide real-time audible and visual indicators for target tissue acquisition during breast conservation procedures, with a 360˚ detection capability and a pinpoint accuracy of one millimeter. The system is based on a passive reflector placed in the target tissue prior to surgery by an interventional radiologist. During the procedure, the surgeon uses a special handpiece that emits EM radar waves to locate the reflector and plan the incision.

The reflector is completely passive until activated, allowing patients to continue with all activities; and because it does not interfere with magnetic resonance imaging (MRI) scans, it provides physicians with maximum flexibility for its localization at any time during the continuum of care. During the lumpectomy or surgical biopsy, the surgeon scans the breast using the Scout guide, which emits 50 million pulses per second, in order to lock on to the reflector’s position. The reflector and target tissue can then be safely removed.

“I applaud the vision of all our physicians and health systems who are leading the way in offering a new standard of care in breast tumor localization,” said Jill Anderson, President and CEO of Cianna Medical. “Scout has become the most precise and broadly applicable non-wire localizing system in the industry, and more than 170 leading medical centers across the United States have adopted Scout radar breast localization and surgical guidance system as an alternative to placing wires on the day of surgery.”

The standard preoperative technique for localizing non-palpable breast lesions, developed more than 20 years ago, is wire localization, which involves a radiopaque wire inserted into the breast by a radiologist prior to surgery using mammography or ultrasound guidance. The surgeon can subsequently be guided directly to the target tissue.

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