Wayne Webster

Used/Refurbished Equipment
COCIR refurb standards could hurt preowned equipment market
The main trade association representing European medical device manufacturers is proposing a set of standards for equipment refurbishing that could make it harder for hospitals to buy preowned equipment from independent firms, according to this Second Opinion by imaging executive Wayne Webster.
July 28, 2009
2009 06 23 14 37 33 976 Second Opinion Am
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MRI-based model shows changes over time in multiple myeloma patients
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Whole-body MRI could serve as a scalable biomarker for risk stratification in multiple myeloma patients.
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By Amerigo Allegretto
TI-RADS and Bethesda achieved similar performances across Black and white racial groups.
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By 2025, TARE accounted for 45.8% of 2,653 liver-directed therapy procedures.
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Brenda McMahon, founder of the Pennsylvania Association for Sonographers, outlines the creation and work of the association.
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Electronic consult (eConsult) platforms provide documented pathway for imaging questions and support radiologists as consultants.
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Of 175 survey respondents, 132 reported significant symptom improvement at least two years following embolization.
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MRI scans show how higher progesterone levels indicate lower mood.
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Example of AI-assisted pulmonary nodule detection and longitudinal volumetric assessment in a 65-year-old woman with peripheral arterial disease, a 24-pack-year smoking history, emphysema, and a family history of lung cancer. An incidental 8.5-mm right lower lobe pulmonary nodule is identified at CT angiography of the abdomen in July 2022 but does not receive follow-up. Subsequent imaging demonstrates interval growth, and CT-guided biopsy confirms stage IA lung adenocarcinoma. Contrast-enhanced axial chest CT images obtained on February 2, 2024, before robotic-assisted thoracoscopic segmentectomy, show a 12.1-mm spiculated right lower lobe pulmonary nodule. (A) Conventional contrast-enhanced axial chest CT image without AI assistance shows a 12.1-mm spiculated right lower lobe pulmonary nodule. (B) Corresponding CT image with AI-assisted pulmonary nodule detection, automated segmentation, and quantitative nodule assessment identifies a solid pulmonary nodule (nodule #1) measuring 13 × 8 (11) mm, with a volume of 739 mm3, a 45% volumetric increase compared with the previous contrast-enhanced chest CT performed on October 9, 2023 (510 mm3), and an estimated volume doubling time (VDT) of 216 days. (C) AI-generated longitudinal nodule analysis displays automated segmentation of the current (February 2, 2024) and previous (October 9, 2023) CT examinations, 3D nodule reconstruction, and quantitative volumetric assessment for longitudinal follow-up. The AI interface is displayed in the original software language (Dutch).
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