Priscilla Butler

CT
8 strategies to optimize radiation dose in CT
How can imaging providers optimize CT dose to maximize the risk-benefit ratio and deliver better patient care? In this article, Priscilla Butler from the American College of Radiology offers eight actionable strategies for managing radiation dose while still providing diagnostic quality and accuracy.
July 13, 2017
2017 07 12 10 24 15 537 Butler Priscilla 400
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F-18 fluciclovine PET/CT images in a 59-year-old man with biochemical recurrence after prostatectomy (prostate-specific antigen level, 0.42 ng/mL; Gleason score, 5 + 4 = 9; T3BN1M0). (A) Coronal PET and (B) maximum intensity projection images show multiple retroperitoneal lymph nodes with abnormal radiotracer uptake (arrows). (C) Axial PET and (D) axial fused PET/CT images show the index lesion (arrow), measuring 13 × 10 mm, on the right precaval lymph node. The initial decision to offer radiation therapy to the prostate bed and pelvis was changed to a decision not to offer radiation therapy.
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PET/CT guides treatment in men with recurrent prostate cancer
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An example of machine learning–based multiorgan body composition assessment (TotalSegmentator V2.0.4, 1.5-mm high-resolution model) in a 63-year-old man with obstructive coronary artery disease and a skeletal muscle attenuation below the median. (A) Transverse, (B) coronal, and (C) sagittal CT images and curved planar reformations of the (D) left, (E) circumflex, and (F) right coronary arteries.
CT
Low muscle density on coronary CT linked to heart risk
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