Dr. Alexander Sardiña

Breast
Bringing humans and AI together to improve mammography outcomes
Could artificial intelligence (AI) yield more accurate breast cancer screening while also decreasing the workload of radiologists? Dr. Alexander Sardiña of AI software developer Whiterabbit makes the case that combining artificial and human intelligence will deliver the best results.
August 18, 2022
2021 03 25 00 42 3403 Mammography Breast Ipad Patient 400
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Molecular Imaging
PET/CT scans show lung damage in stone workers
The metabolic activities occurring in the lungs of these patients have been unknown.
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CT
SCCT: Study explores diagnostic accuracy of CCTA
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CT
SCCT: AI predicts coronary artery calcium scores from chest x-rays
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CT
SCCT: CCTA model shows plaque volume changes in chest pain patients
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PET/CT scans show lung damage in stone workers
By Will Morton
The metabolic activities occurring in the lungs of these patients have been unknown.
July 18, 2025
2025 07 18 Silicosis Thumbnail
SCCT: Study explores diagnostic accuracy of CCTA
By Will Morton
Coronary CT angiography (CCTA) showed high concordance with invasive coronary angiography.
July 18, 2025
Ctca
SCCT: AI predicts coronary artery calcium scores from chest x-rays
By Will Morton
Researchers have developed an AI model that can identify coronary artery disease risk from chest x-rays.
July 18, 2025
Atherosclerosis Clot
SCCT: CCTA model shows plaque volume changes in chest pain patients
By Amerigo Allegretto
A CCTA-based AI model demonstrated success in differentiating plaque volume among chest pain patients.
July 18, 2025
Heart Valves 3 D Base Thumbnail
Video: Incoming SCCT president discusses CT's environmental impact
By Kate Madden Yee
Incoming SCCT President Kavitha Chinnaiyan, MD, spoke to AuntMinnie about the environmental impact of CT and fostering women-led cardiovascular health research.
July 18, 2025
Incoming SCCT President Kavitha Chinnaiyan, MD.
HPI: Telemedicine imaging rates lower than in-person visits
By Maryam Payne
An HPI report showed that diagnostic imaging was nearly 30% less likely to occur following a telemedicine visit than an in-person visit.
July 17, 2025
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AI system integrates eye gaze data and radiology reports
By Will Morton
Called CoRax, the system may be able to correct perceptual errors when radiologists interpret chest x-rays.
July 17, 2025
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AI improves diagnostic consistency in bpMRI for prostate imaging
By Kate Madden Yee
The results contribute to a growing body of literature that supports the use of AI with prostate cancer imaging.
July 17, 2025
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Closer proximity to Missouri's Coldwater Creek tied to cancer risk
By Amerigo Allegretto
People who live or have lived near Coldwater Creek, Missouri, have a higher risk of developing cancer.
July 16, 2025
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ChatGPT-4 accurately classifies pancreatic cysts on MRI, CT imaging
By Kate Madden Yee
ChatGPT-4 can accurately classify pancreatic cysts on MRI and CT images.
July 16, 2025
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Video: SCCT president offers highlights for upcoming meeting
By Kate Madden Yee
SCCT President Maros Ferencik, MD, PhD, spoke to AuntMinnie about research and trends that will be explored at the society's upcoming meeting.
July 16, 2025
SCCT President Maros Ferencik, MD, PhD.
CT reveals changes in lung holes in emphysema patients
By Will Morton
CT imaging of lung holes could offer a new way to visualize and quantify the natural course of emphysema.
July 15, 2025
Emphysema progression with hole changes, with holes colored according to their diameter in 2-mm increments. (A) Baseline inspiratory nonenhanced axial CT scans in a 48-year-old man with chronic obstructive pulmonary disease show emphysema holes with hyperexpansion of secondary pulmonary lobules (white arrows) and thin alveolar walls visible in the right upper lobe. This emphysematous lesion is filled with holes of varying sizes. A single large air cyst was observed in the left upper lobe (black arrows), classified as a single emphysema hole of 20 mm or greater (bright green). (B) At six-year follow-up inspiratory nonenhanced axial CT, the holes in the right upper lobe have merged (white arrows), with no visible alveolar septa remaining, resulting in the formation of a large new hole of 20 mm or greater (bright green). Meanwhile, the hole in the left upper lobe also enlarged, merging with adjacent holes (black arrows). The size of other holes in the paramedian left upper lobe decreased.
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