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Paul Davis

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Responsive - Making the most of the new banner ad formats
August 5, 2014
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Responsive - The Power of Landing Pages
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Mismatched Goals
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Lost in Translation...
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Agents of Change: The new wave of crawlers, spiders and bots
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Defining your success
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Defining your success
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Lung Cancer
CT
LDCT screening criteria miss majority of Korean lung cancer patients
Just 35.4% of patients diagnosed with lung cancer met the 2023 American Cancer Society (ACS) screening criteria.
Acute pulmonary embolism (PE) with right ventricle (RV) enlargement and clot-in-transit. PE chest axial CT angiography images demonstrate pulmonary embolus in the right pulmonary artery (white solid arrow), an enlarged RV (dotted arrow), and thrombus transiting through the right atrium (black arrows), PE-RADS 4/RV+/T+. The “4” refers to the PE‑RADS ordinal category for the most proximal clot location (central arteries). “RV+” indicates RV enlargement (RV to left ventricle ratio ≥ 1.0). “T+” indicates definitive thrombus identified in the right atrium and/or RV.
MRI
ACR rolls out PE-RADS for pulmonary embolism care
Adobe Stock 517622853
CT
CT reveals severe craniofacial, ocular trauma from pager blasts
F-18 PI-2620 average binding potential maps. Mean tracer binding (DVR) image from 165 older adults (A) and 13 young adults (B). Images are scaled from 1 to 1.8 for display purposes, but DVR values of less than 1 were frequently observed.
Molecular Imaging
Tau PET tracer flags early Alzheimer risk in healthy older adults
Top eight incorrectly classified synthetic images (Most convincing fake images). Images A, B, C, D, E, F, G and H were the most infrequently correctly classified images at 24%, 43%, 59%, 64%, 69%, 71%, 71% and 73% respectively. All images are AI-generated. Images A, B and C are head CTs. Images D and E are chest CTs. Image F is a cardiac CT. Image G is a musculoskeletal MRI. Image H is a head MRI. Images are republished under a Creative Commons license (CC BY 4.0).
AI
Radiologists can identify three out of four AI-generated images
More in Home
Incorrect AI suggestions influence reader performance on mammography
By Amerigo Allegretto
The biggest impact on reader performance stemmed from false-negative AI suggestions.
July 14, 2026
A normal mammogram confirmed by three-year radiologic follow-up illustrates reader-marked regions of interest (ROIs) during (A) unaided (round 1) and (B) artificial intelligence (AI)–assisted (round 2) reading. Each colored dot represents an ROI for recall by a human reader. Readers could mark more than one ROI per case, represented by multiple dots of the same color. During AI-assisted reading, the AI system displayed three visible prompts: two with suspicion of malignancy scores of 35% (left mediolateral oblique [L MLO] and craniocaudal [L CC]) and one with a suspicion of malignancy score of 10% (right craniocaudal [R CC]), shown as polygonal overlays. Without AI, six of 10 readers (60%) marked a false-positive ROI. With AI assistance, this fell to two of 10 (20%). R MLO = right mediolateral oblique.
Podcast: MRI tragedy, key aspects of the Colombini family's lawsuit
By Liz Carey
Inside the Michael Colombini case, Gilk and Posh continue retrospective analysis.
July 14, 2026
The Invisible Force Podcast Album Cover Auntminnie Jan 2026 Thumbnails
Brain PET scans reveal neuron loss in long COVID
By Will Morton
The findings suggest that treatments aimed at boosting dopamine release could be repurposed to treat long COVID.
July 14, 2026
Representative participant from each group shown. C-11 DTBZ non-displaceable binding potential (BPND) in voxels quantitated with simplified reference tissue model 2. Color scale indicates C-11 DTBZ BPND from 0 (black) to 3.5 (red), with reduced C-11 DTBZ BPND observed in the long COVID case compared to both healthy controls.
ASTRO urges Congress to address radiation oncology payment crisis
By AuntMinnie.com staff writers
This action comes in the wake of recent analyses pointing toward reimbursement declines and disappearing radiation oncology clinics.
July 14, 2026
Capitol Hill Government 400
First human x-rays in space deemed diagnostic
By Will Morton
Crew surveys identified alignment and positioning, including of the subject, x-ray source, and detector, as the primary operational challenges.
July 14, 2026
Representative preflight, in-flight, and postflight chest radiographs. Radiographs of the chest were acquired (A) preflight by a crewmember, (B, C) in-flight on day 3 after launch (L+3) by a crewmember, and (D) postflight by a non-crew operator using the same imaging protocol.
Breast cancer screening higher among civically engaged women
By Amerigo Allegretto
Women who voted, attended a public meeting, or volunteered are more likely to get their breast cancer screening.
July 14, 2026
Mammogram Calendar 400
MRI shows higher neuro symptom burden for former soccer players
By Amerigo Allegretto
Former elite soccer players have lower white matter volume and report higher levels of depression and anxiety.
July 13, 2026
Voxel-based morphometry (VBM) group comparison of grey matter brain volumes. TFCE-corrected significance map shown (one-tailed t-test; higher significance indicated by light blue color). (a) Comparison between ex-soccer players (n = 124) and controls (n = 40). (b) Comparison between ex-rugby players (n = 200) and controls (n = 33) from Graham & Zimmerman et al. (2025), reproduced with permission under Creative Commons license.
Clinical tool can reduce the use of CPTA in cancer patients
By Will Morton
The YEARS algorithm obviated the need to perform CTPAs in 22% of patients without increasing the risk of a missed blood clot.
July 13, 2026
Pe
ASTRO highlights study on disappearing radiation oncology centers
By Amerigo Allegretto
Over two-thirds of all U.S. counties reported lacking a radiation oncology practice site in 2025.
July 10, 2026
County-level net change in radiation oncology practice sites from first appearance through 2025.
CCTA finds coronary disease in men with erectile dysfunction
By Will Morton
Erectile dysfunction caused by vascular problems is associated with a higher risk of coronary artery disease.
July 10, 2026
Ctca
Marijuana use linked to greater coronary plaque burden
By Will Morton
Marijuana users demonstrated more than double coronary artery calcium scores than nonusers.
July 10, 2026
Marijuana
CEM on par with MRI for breast cancer diagnosis, local staging
By Amerigo Allegretto
CEM alone in a prospective study achieved perfect sensitivity and negative predictive value in diagnosing breast cancer.
July 10, 2026
MRI false positive for additional disease, (top to bottom): A. Index lesion—grade 2 invasive ductal carcinoma; B. MRI lesion two, upper inner quadrant: Stromal sclerosis and columnar cell change; C. MRI lesion three, upper outer quadrant: No ultrasound correlate, no malignancy on follow-up; D. CEM marked background parenchymal enhancement with a unifocal retroareolar lesion demonstrating wash-out on delayed MLO. Images are republished under a Creative Commons license (CC BY 4.0).
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