Breast biopsy: multicenter study of radiofrequency introducer with US-guided handheld system--initial experience

Radiology
N DuchesneMary Lou Mooney

Abstract

To evaluate the utility of a radiofrequency (RF) introducer in placement and use of a handheld breast biopsy system during ultrasonography (US)-guided breast biopsy. In three institutions from September 2000 through June 2001, 99 patients were scheduled for US-guided breast biopsy with the handheld system. Patients were randomly assigned to undergo biopsy with the handheld system alone (control group, 50 patients) or with the RF introducer and the handheld system (treatment group, 49 patients). Investigators compared the ability of the radiologist and pathologist to obtain a histologic diagnosis, ease of tissue penetration, procedure time, and pain. Patients assessed their pain level after the procedure and at 1, 7, and 30 days after biopsy. The RF introducer provided easier penetration (treatment group mean score, 1.6; control group, 2.4), particularly in patients with dense breasts (treatment group, 1.0; control group, 2.9) on the basis of a five-point scale (1 = very easy, 5 = extremely difficult). A histologic diagnosis was obtained in all cases, and no RF-induced artifact was reported. Average biopsy procedure time for treatment and control groups was not significantly different. Average patient pain levels were comparable...Continue Reading

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Feb 7, 2013·Thyroid : Official Journal of the American Thyroid Association·Sophie LeboulleuxSophie Laurent

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