Benjamin Johnson, MD, MS

Nov 28, 2011
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Limited access to PCPs thwarts mammography screening uptake
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POCUS rules out pulmonary congestion in kidney patients
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Low-value imaging services part of high Medicare costs
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Amyloid PET scans validated in racially diverse patients
By Will Morton
Changes in care plans occurred in 59% of individuals after PET scans.
August 1, 2025
Black Patient
Limited access to PCPs thwarts mammography screening uptake
By Kate Madden Yee
Limited access to primary care providers (PCPs) and variable screening recommendations hinder mammography uptake, researchers report.
August 1, 2025
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POCUS rules out pulmonary congestion in kidney patients
By Amerigo Allegretto
Point-of-care lung ultrasound can rule out pulmonary congestion in acute kidney injury patients when used by a trained nurse.
August 1, 2025
Ultrasound Portable 400
Low-value imaging services part of high Medicare costs
By Maryam Payne
Four of the most frequently provided services in a study evaluating low-value services for Medicare costs were for imaging.
August 1, 2025
Medicare Puzzle
AI helps clinicians identify misplaced endotracheal tubes
By Will Morton
A commercially available AI tool was especially useful for identifying critically misplaced tubes.
July 31, 2025
Plain chest radiograph showing overlay from Critical Care Suite, with segmentation of ETT, identification of tube tip and carina, and calculation of distance between them.
fMRI confirms yet again that exercise really does improve mood
By Kate Madden Yee
The findings offer a "more nuanced neurobiological model for the therapeutic effects of exercise," the researchers noted.
July 31, 2025
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Doximity: Radiology makes top 5 specialties for compensation growth
By Amerigo Allegretto
Radiology experienced high growth in physician compensation and remains an in-demand medical specialty, according to Doximity.
July 31, 2025
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3 predictions on how AI could affect radiology
By Kate Madden Yee
As AI continues to be incorporated into radiology, its use could also expose clinicians to risk, both short- and long-term.
July 31, 2025
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CT may best conventional measurements for assessing BMD in diabetics
By Kate Madden Yee
CT may offer a better picture of fracture risk than conventional bone mineral density (BMD) measurements in people with diabetes.
July 30, 2025
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MRI-based model predicts treatment response in breast cancer patients
By Amerigo Allegretto
An MRI-based model performed well in predicting pathologic complete response in women with triple-negative breast cancer.
July 30, 2025
MR image from a 55-year-old patient with triple-negative breast cancer from training set. (A, above) Axial postcontrast T1-weighted image from baseline MRI exam shows unifocal enhancing mass (unifocality: positive). (B, below) Axial postcontrast T1-weighted image from MRI examination per-formed after one cycle of neoadjuvant chemoimmunotherapy shows >37% reduction in lesion size (early tumor shrinkage: positive) and development of non-enhancing region within lesion (percentage enhancement reduction: positive).
Data transparency is lacking for FDA-cleared Alzheimer's AI technology
By Liz Carey
Lack of transparency raises concerns about algorithmic bias impacting care planning for patients with Alzheimer's disease.
July 30, 2025
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AI spots breast lesions on targeted ultrasound
By Amerigo Allegretto
Combining AI with radiologist interpretation can improve breast lesion detection on targeted ultrasound.
July 30, 2025
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