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Effects on Breast MRI of Artifacts Caused by Metallic Tissue Marker Clips

Charles C. Genson1, Caroline E. Blane, Mark A. Helvie, Seth A. Waits and Thomas L. Chenevert

1 All authors: Department of Radiology, University of Michigan Health System, B1 D520 UH, 1500 E Medical Center Dr., Ann Arbor, MI 48109-0030.


Figure 1
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  		Fig. 1 —Comparison of signal void artifact surrounding tissue marker clips implanted in gelatin phantom on 3D spoiled gradient-echo T1-weighted MRI. Mammographic appearance of each clip within phantom accompanies each MR image (inset). Top row left to right: control, clip A, and clip C, Bottom row left to right: clip B, clip D, and clip E. Diameter of imaged phantom is 13 cm. Note—Clip A = MammoMark Biopsy Site Marker, Artemis Medical; clip B = Gel Mark UltraCor, SenoRx; clip C = MicorMark II, Ethicon Endo-Surgery; clip D = UltraClip Tissue Marker, INRAD; clip E = steel filament.

 

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  		Fig. 2 —Selected MR images of additional banding artifact caused by application of fat-saturation pulse. Left column is without fat saturation; right column is with fat saturation. Top row, clip C; middle row, clip D; bottom row, clip E. Note—Clip C = MicorMark II, Ethicon Endo-Surgery; clip D = UltraClip Tissue Marker, INRAD; clip E = steel filament.

 

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