Dr. Kevin Steel

MRI
Freestanding MRI makes cardiac stress testing accessible
For the past 30 years, assessing cardiac health with MRI has been limited to large academic centers -- due to the complexity of the technology and the skill needed to create diagnostic-quality images. This reality has slowed its growth.
February 22, 2023
2017 02 10 15 45 57 410 Heart 400
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Baby Bottle
Ultrasound
Could cranial ultrasound sub for brain MRI in imaging infants?
Cranial ultrasound could have utility for imaging infants with hypoxic-ischemic encephalopathy.
Lateral conventional attenuation (a, b, e, f) and co-registered dark-field (c, d, g, h) images of two spine specimens. Vertical (a, c, e, g) and horizontal (b, d, f, h) scans of the spine specimen of a 77-year-old female with osteoporosis (bone mineral density = 65.75 mg/dL) (a–d) and a non-osteoporotic spine specimen (e–h) of a 61-year-old female (bone mineral density = 169.38 mg/dL).
Digital X-Ray
Dark-field x-ray detects bone changes related to osteoporosis
Cars Picanya
MRI
Radiology responds to devastating floods in Spain
2024 11 05 Willi Kalender Thumbnail
CT
Tributes pour in for CT pioneer Willi Kalender
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Could cranial ultrasound sub for brain MRI in imaging infants?
By Amerigo Allegretto
Cranial ultrasound could have utility for imaging infants with hypoxic-ischemic encephalopathy.
November 6, 2024
Baby Bottle
Dark-field x-ray detects bone changes related to osteoporosis
By Will Morton
Dark-field x-ray imaging can provide insights into bone microstructure and potentially could have a role in assessing osteoporosis.
November 5, 2024
Lateral conventional attenuation (a, b, e, f) and co-registered dark-field (c, d, g, h) images of two spine specimens. Vertical (a, c, e, g) and horizontal (b, d, f, h) scans of the spine specimen of a 77-year-old female with osteoporosis (bone mineral density = 65.75 mg/dL) (a–d) and a non-osteoporotic spine specimen (e–h) of a 61-year-old female (bone mineral density = 169.38 mg/dL).
Radiology responds to devastating floods in Spain
By Edna Astbury-Ward, PhD
Members of Valencia's radiological community are reeling from the worst flooding experienced by the region for generations.
November 6, 2024
Cars Picanya
Tributes pour in for CT pioneer Willi Kalender
By Philip Ward
The medical imaging community has paid tribute to Willi Kalender, PhD, the renowned medical physicist.
November 6, 2024
2024 11 05 Willi Kalender Thumbnail
Ultrasound nonmass breast lesion features may signal malignancy
By Amerigo Allegretto
Some nonmass breast lesion characteristics on ultrasound exams can be considered suspicious for malignancy at screening ultrasound.
November 5, 2024
Images depict a 43-year-old woman with a malignant non-mass lesion that was diagnosed as microinvasive ductal carcinoma. (A) Transverse and (B) longitudinal ultrasound images show a hypoechoic non-mass lesion (solid arrows) with segmental distribution in the left breast. The lesion has associated calcifications (dashed arrows in A). (C) Longitudinal color Doppler ultrasound image shows high vascularity. (D) Magnified image in the mediolateral oblique view from screening mammography shows grouped calcifications (arrows), which are considered a mammographic correlate of the ultrasound-detected non-mass lesion (A radiopaque marker attached to the skin is visible in the image because the mammographic exam was performed after screening breast ultrasound). Ultrasound-guided core needle biopsy and pathologic examination revealed ductal carcinoma in situ, but the lesion was upgraded to microinvasive ductal carcinoma at subsequent surgery (2.5-cm ductal carcinoma in situ, histologic grade II, estrogen receptor-positive, progesterone receptor-positive, human epidermal growth factor receptor type 2-negative).
Ventricular remodeling on cardiac MRI predicts cardiovascular outcomes
By Kate Madden Yee
The presence of left ventricular changes revealed on cardiac MRI can help predict 10-year negative cardiovascular outcomes, researchers have reported.
November 5, 2024
Heart Damage
Imaging societies' reactions mixed on finalized MPFS, HOPPS rule
By Amerigo Allegretto
Radiological societies have mixed thoughts after the CMS finalized its 2025 MPFS and the Hospital Outpatient Prospective Payment System rules.
November 4, 2024
Capitol Hill Government
Chest x-ray AI shines in ‘real-world’ setting
By Will Morton
A PACS-integrated AI tool correctly identified pneumothorax on inpatient chest x-rays, prioritized scans, and improved radiologist reporting times.
November 4, 2024
Critical Care Suite
Cloud-based imaging: The new catalyst for healthcare transformation
By Dhaval Shah
Dhaval Shah of CitiusTech discusses the benefits of cloud-based image management for radiology practices.
November 4, 2024
Dhaval Shah Thumbnail
SPECT/CT predicts treatment response in Pluvicto patients
By Will Morton
SPECT/CT scans taken just four hours after patients begin Lu-177 PSMA-617 treatment can help assess treatment responses.
November 1, 2024
Pluvicto Spect Ct Response Thumbnail
PCCT shows promise for generating opportunistic bone density data
By Kate Madden Yee
The use of PCCT spectral localization shows promise for opportunistic screening for low bone mass and osteoporosis and generating T-scores.
November 1, 2024
Ct Scanner Bore
ChatGPT demonstrates mixed results in assigning BI-RADS categories
By Amerigo Allegretto
ChatGPT achieves modest accuracy when assigning BI-RADS scores for mammograms and breast ultrasound exams.
November 1, 2024
Chat Gpt 400
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