Narayan Viswanadhan, MD

Nov 28, 2011
Latest in Home
3D medical illustration of human liver with anatomical blood vessels and pink dotted pattern background
Gadoxetic acid-enhanced MRI changing understanding of liver diseases
November 6, 2026
Medical imaging analysis showing CT scans with segmentation, 3D anatomical reconstructions, and Bland-Altman statistical comparison plot.
Deep-learning model predicts mortality from CTA scans
November 6, 2026
Free Webinar: Agentic AI in Radiology
Sponsored
Free Webinar: Agentic AI in Radiology
October 29, 2026
MinnieCast Women's Imaging podcast episode featuring Dr. Stamatia Destounis with medical imaging background
Women's Imaging MinnieCast, Episode 20: Could DBT performance inform age-based screening?
November 6, 2026
More in Home
Gadoxetic acid-enhanced MRI changing understanding of liver diseases
By Amerigo Allegretto
The contrast agent is changing approaches toward diagnosis of liver diseases, according to data collected over the last 15 years.
November 6, 2026
3D medical illustration of human liver with anatomical blood vessels and pink dotted pattern background
Deep-learning model predicts mortality from CTA scans
By Will Morton
The algorithm completed tissue analysis in 1.35 minutes on average versus 7.2 minutes for expert readers.
November 6, 2026
Medical imaging analysis showing CT scans with segmentation, 3D anatomical reconstructions, and Bland-Altman statistical comparison plot.
Screening breast MRI may be considered for high-risk women
By Amerigo Allegretto
MRI screening found more screen-detected early-stage cancers than mammography.
November 6, 2026
Axial MRI or CT scan cross-section showing bilateral anatomical structures in grayscale medical imaging
Women's Imaging MinnieCast, Episode 20: Could DBT performance inform age-based screening?
By Amerigo Allegretto
Stamatia Destounis, MD, shares results from a study she and colleagues led on DBT's performance in relation to patient age.
November 6, 2026
MinnieCast Women's Imaging podcast episode featuring Dr. Stamatia Destounis with medical imaging background
What are patients being told before, during, and after Lu-177 RPT?
By Will Morton
The recommended duration for maintaining distance from others after treatment ranged from one to three days at some sites and up to seven days at others.
November 5, 2026
Healthcare professional in white coat speaking with older man wearing glasses in casual conversation
Radiology group sues Lovelace over poaching, cyberattack fallout
By AuntMinnie.com staff writers
Zia Diagnostic Imaging is seeking about $5 million to $7 million in damages.
November 5, 2026
Lawyer reviewing legal documents at desk with scales of justice and law books
CMS final rule draws mixed response
By Amerigo Allegretto
The final rule includes conversion factor cuts overall, though with slight increases for some imaging-related services.
November 5, 2026
Aerial view of modern multi-story building with circular driveway and landscaped grounds
Siemens Healthineers posts strong Q4, plans name change
By AuntMinnie.com staff writers
The company's imaging segment grew in revenue by 10%, with the company planning to change its name to "Healthineers."
November 5, 2026
Professional speaker presenting on stage with Healthineers logo displayed on screen behind him
Lu-177 FAP-2286 controls lung cancer brain metastases
By Will Morton
Brain metastasis from advanced lung cancer represents a formidable clinical challenge, primarily due to the protective blood brain barrier.
November 4, 2026
Multi-panel PET-CT and CT brain imaging scans showing axial and coronal views with metabolic activity overlay
MWA with ethanol injection effective for treating RSGs
By Amerigo Allegretto
The approach is as successful as surgery and leads to less complications.
November 4, 2026
Medical imaging study showing thyroid nodule assessment with anatomical diagram and CT scan comparison at preoperative and one-year follow-up stages.
Immuno-PET/CT detects myeloma missed by FDG-PET/CT
By Will Morton
Standard FDG PET/CT misses active multiple myeloma in 30% to 50% of patients with biopsy-proven disease.
November 3, 2026
Medical imaging scans showing PET, CT, and MRI images of human body with anatomical cross-sections and intensity mapping
'ExRad' data shows wide variations in CT radiation dose
By Will Morton
The wide variation in performance, both across and within facilities, indicates substantial opportunities for improvement.
November 3, 2026
Ionizing radiation warning symbol with black trefoil on yellow circular background
Page 1 of 260
Next Page