CT Artifacts
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| Figure A. Ring artifacts resulting from defective detector element in 3rd generation single-slice scanner. |
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| Figure B. Ring-like artifacts in clinical brain and abdominal images, resulting from x-ray tube arc during air calibration on 3rd generation 16-slice scanner |
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| Figure C. Streak artifact from biopsy needle during CT-guided abdominal biopsy. |
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| Figure D. Shading from missing data in shadow of biopsy needle. |