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Nov 27, 2016
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(A) System comprises detectors and silicon photomultipliers with custom Hoffman brain phantom. (B) Seated-position scanning. (C) Backpack system permitting data collection in ambulatory states. (D) Workstation scenario demonstrating natural seated use.
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Chinese scientists develop wearable brain PET system
By Will Morton
The system could offer new opportunities for brain PET imaging beyond the constraints of conventional static systems.
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(A) System comprises detectors and silicon photomultipliers with custom Hoffman brain phantom. (B) Seated-position scanning. (C) Backpack system permitting data collection in ambulatory states. (D) Workstation scenario demonstrating natural seated use.
Reducing head-neck CTA contrast by 40% saves costs, preserves quality
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"Standardized contrast dose reduction for [head-neck] CTA is feasible, sustainable, and does not compromise imaging."
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Foregoing SLN breast surgery does not lead to radiation therapy increase
By Amerigo Allegretto
Research presented at the ASBrS annual meeting showed that omitting SLN surgery does not increase radiation therapy rates.
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Ultrasound MinnieCast, Episode 7: How VR training in ultrasound is evolving
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Stefanie Woodard, DO, talks virtual reality in ultrasound education and shares study results she presented at ARRS.
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CT-based nomogram aids in managing advanced ovarian cancer
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Researchers have developed a CT-based nomogram that could assist in managing advanced ovarian cancer.
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Uterine and placental changes during an example placental contraction. The top row shows axial MRI images at selected times points before, during and after a placental contraction (indicated by vertical lines on the graph below) with segmentations shown below. Changes in placental and non-placental volumes, wall areas and placental R2* (all measured across the whole volume of the uterus, not just the single slice shown) are plotted underneath. The legend indicates the colors used for the lines in the plots and the regions indicated in the segmentation.
Lu-177 PSMA-SPECT/CT predicts survival in mCRPC
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Lu-177 PSMA-617 SPECT/CT total tumor volume complete response at six weeks associated with overall survival.
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Quantification of total tumor volume (TTV) at lutetium-177 prostate-specific membrane antigen (PSMA)–617 SPECT/CT shows heterogeneous TTV responses between dose 1 (Cycle #1) and dose 2 (Cycle #2) in participants with metastatic castration-resistant prostate cancer. Posttherapy coronal attenuation-corrected noncontrast SPECT/CT maximum intensity projection images demonstrate (A) near-complete response in a 76-year-old man, (B) complete response in an 83-year-old man, (C) partial TTV reduction (not complete response) in a 69-year-old man, and (D) TTV increase (i.e. progressive disease) in a 74-year-old man. Blue-shaded regions represent semiautomatically segmented PSMA-avid tumor volume, with associated TTV values given at the bottom of each panel. The gradient bar shows standardized uptake value (SUV) from 0 to 5.
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