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MRI-Guided Breast Biopsy: Clinical Experience with 14-Gauge Stainless Steel Core Biopsy Needle

Xiaoming Chen1,2, Constance D. Lehman1,2 and Katherine E. Dee3

1 Department of Radiology, University of Washington Medical Center, 1959 NE Pacific, Seattle, WA 98195.
2 Seattle Cancer Care Alliance, 825 Eastlake Ave. E, G4-830, Seattle, WA 98109-1023.
3 Seattle Breast Center, 1560 N 115th St., Ste. 104, Seattle, WA 98133.



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  		Fig. 1. —Photograph shows MRI-guided breast biopsy apparatus: 1.5-T closed MRI scanner, breast coil, biopsy guidance device, MRI-compatible coaxial sheath, and 14-gauge core biopsy needle.

 


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  		Fig. 2. —Photograph shows breast biopsy and compression device with adjustable guide along anteroposterior and superoinferior posts.

 


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  		Fig. 3. —Photograph shows MRI-compatible (titanium) coaxial sheath, needle, and 14-gauge stainless steel core biopsy device.

 


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  		Fig. 4A. —53-year-old woman with 8-mm spiculated enhancing mass at 4-o'clock position in left breast. MRI-guided breast biopsy and surgery revealed invasive ductal carcinoma. Sagittal MR image shows fiducial skin marker (arrow).

 


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  		Fig. 4B. —53-year-old woman with 8-mm spiculated enhancing mass at 4-o'clock position in left breast. MRI-guided breast biopsy and surgery revealed invasive ductal carcinoma. Contrast-enhanced sagittal image shows targeted enhancing mass (arrow).

 


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  		Fig. 4C. —53-year-old woman with 8-mm spiculated enhancing mass at 4-o'clock position in left breast. MRI-guided breast biopsy and surgery revealed invasive ductal carcinoma. Axial image confirms coaxial sheath placement (arrow).

 


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  		Fig. 4D. —53-year-old woman with 8-mm spiculated enhancing mass at 4-o'clock position in left breast. MRI-guided breast biopsy and surgery revealed invasive ductal carcinoma. Sagittal image after biopsy reveals biopsy defect (arrow) and placement of site marker clip via its small imaging artifact.

 

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