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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.
Molecular Imaging
Lu-177 PSMA-SPECT/CT predicts survival in mCRPC
Lu-177 PSMA-617 SPECT/CT total tumor volume complete response at six weeks associated with overall survival.
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AI algorithm shines in spotting early pancreatic cancer
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Functional MRI predicts CTD-ILD progression better than standard tests
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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.
MRI reveals occurrence of placental contractions
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Rishi Seth
Replacing radiologists doesn’t remove risk -- it moves it to patients
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Radiology researchers weigh in on the impact of the political climate
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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.
MRI
MRI reveals occurrence of placental contractions
Molecular Imaging
Lu-177 PSMA-SPECT/CT predicts survival in mCRPC
CT
AI algorithm shines in spotting early pancreatic cancer
MRI
Functional MRI predicts CTD-ILD progression better than standard tests
Molecular Imaging
PET improves treatment planning for pituitary tumors
Rishi Seth
AI
Replacing radiologists doesn’t remove risk -- it moves it to patients
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Digital X-Ray
New x-ray dataset helps clinicians develop pathology detection AI
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Podcast: Teleradiology leader discusses Indian radiology hub, AI initiatives
Economics
Radiologists land on low end of industry research money, study finds
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Aidoc raises $150M in funding round
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GEHC posts mixed Q1 2026 financial results
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FDA: Thoracic stent graft recalled after 3 deaths
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ASRT to award Life Member status to three longstanding members
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The ASRT in June will award Life Member status to three members.
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Example of Percentile Nomogram With Age-Adjusted BAC Quartiles. (A) Mammogram of a 56-year-old woman. There is evident BAC (pink arrow). This was quantified as a BAC score of 30 using the cmAngio tool. (B) Nomogram indicating that a BAC score of 30 places a 56-year-old woman within the 50th to 75th percentile for her age. Images are republished under a Creative Commons license (CC BY 4.0).
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