Journal
ACTA RADIOLOGICA
Volume 48, Issue 5, Pages 483-487Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1080/02841850701280841
Keywords
CT; hookwire localization; marker clip; radial approach; stereotactic directional vacuum-assisted breast biopsy
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Background: Hookwire localization is the current standard technique for radiological marking of nonpalpable breast lesions. Stereotactic directional vacuum-assisted breast biopsy (SVAB) is of sufficient sensitivity and specificity to replace surgical biopsy. Wire localization for metallic marker clips placed after SVAB is needed. Purpose: To describe a method for performing computed tomography (CT)-guided hookwire localization using a radial approach for metallic marker clips placed percutaneously after SVAB. Material and Methods: Nineteen women scheduled for SVAB with marker-clip placement, CT-guided wire localization of marker clips, and, eventually, surgical excision were prospectively entered into the study. CT-guided wire localization was performed with a radial approach, followed by placement of a localizing marker-clip surgical excision. Feasibility and reliability of the procedure and the incidence of complications were examined. Results: CT-guided wire localization surgical excision was successfully performed in all 19 women without any complications. The mean total procedure time was 15 min. The median distance on CT image from marker clip to hookwire was 2 mm ( range 0 - 3 mm). Conclusion: CT-guided preoperative hookwire localization with a radial approach for marker clips after SVAB is technically feasible.
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