BACKGROUND: The wire-guided excision of nonpalpable breast cancer often results in tumor resections with inadequate margins. This prospective, randomized trial was undertaken to investigate whether intraoperative ultrasound (US) guidance enables a better margin clearance than the wire-guided technique in the breast-conserving treatment of nonpalpable breast cancers. METHODS:Patients with a preoperative histological diagnosis of nonpalpable breast cancer that could be visualized both with US and mammography were included. Patients were randomized to undergo either a wire-guided or a US-guided excision. Adequate margins were defined as >or=1 mm. RESULTS:Of 49 included patients, 23 were assigned toundergo wire-guided excision and 26 to undergo US-guided excision. One patient crossed over to US-guided excision after inadvertent wire displacement. Mean tumor diameter, specimen weight, and operating time were similar in both groups. The excision was adequate in 24 (89%) of 27 US-guided excisions and 12 (55%) of 22 wire-guide excisions (P =.007). CONCLUSIONS: US-guided excision seems to be superior to wire-guided excision with respect to margin clearance of mammographically detected and US-visible nonpalpable breast cancers. Patients do not have to undergo the unpleasant wire placement before surgery.
RCT Entities:
BACKGROUND: The wire-guided excision of nonpalpable breast cancer often results in tumor resections with inadequate margins. This prospective, randomized trial was undertaken to investigate whether intraoperative ultrasound (US) guidance enables a better margin clearance than the wire-guided technique in the breast-conserving treatment of nonpalpable breast cancers. METHODS:Patients with a preoperative histological diagnosis of nonpalpable breast cancer that could be visualized both with US and mammography were included. Patients were randomized to undergo either a wire-guided or a US-guided excision. Adequate margins were defined as >or=1 mm. RESULTS: Of 49 included patients, 23 were assigned to undergo wire-guided excision and 26 to undergo US-guided excision. One patient crossed over to US-guided excision after inadvertent wire displacement. Mean tumor diameter, specimen weight, and operating time were similar in both groups. The excision was adequate in 24 (89%) of 27 US-guided excisions and 12 (55%) of 22 wire-guide excisions (P =.007). CONCLUSIONS: US-guided excision seems to be superior to wire-guided excision with respect to margin clearance of mammographically detected and US-visible nonpalpable breast cancers. Patients do not have to undergo the unpleasant wire placement before surgery.
Authors: Alexander Liberman; Zhe Wu; Christopher V Barback; Robert Viveros; Sarah L Blair; Lesley G Ellies; David R Vera; Robert F Mattrey; Andrew C Kummel; William C Trogler Journal: ACS Nano Date: 2013-07-01 Impact factor: 15.881
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Authors: Rick G Pleijhuis; Maurits Graafland; Jakob de Vries; Joost Bart; Johannes S de Jong; Gooitzen M van Dam Journal: Ann Surg Oncol Date: 2009-07-17 Impact factor: 5.344