FDA issues radiation alert after CT brain perfusion overexposure

Oct 7, 2009

The U.S. Food and Drug Administration is investigating cases of radiation overexposure during CT brain perfusion scans conducted to aid the diagnosis and treatment of stroke. The agency said that at one particular facility, patients received radiation doses that were eight times the expected level.

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Lung Ct Images 400

Neusoft Medical Systems introduces wide-coverage photon-counting CT

December 2, 2025

When CT meets the power of AI everyone benefits.

When CT meets the power of AI everyone benefits.

September 9, 2025

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Bayer secures FDA clearance for contrast agent with CT injector

December 2, 2025

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United Imaging promotes portfolio and works in progress

December 1, 2025

Neusoft Medical Systems introduces wide-coverage photon-counting CT

By AuntMinnie.com staff writers

Neusoft Medical Systems introduces wide-coverage photon counting CT at RSNA 2025.

December 2, 2025

Lung Ct Images 400

LTTS demos digital-twin diagnostics platform at RSNA 2025

By AuntMinnie.com staff writers

L & T Technology Services (LTTS) is developing an AI-powered digital-twin platform for respiratory diagnostics and lung navigation.

December 2, 2025

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Bayer secures FDA clearance for contrast agent with CT injector

By AuntMinnie.com staff writers

Bayer has secured U.S. FDA clearance for the use of Visipaque as a contrast agent with MEDRAD CT contrast agent injector.

December 2, 2025

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United Imaging promotes portfolio and works in progress

By AuntMinnie.com staff writers

United Imaging is displaying its portfolio at RSNA 2025, as well as new features for its devices not yet cleared by the U.S. FDA.

December 1, 2025

United Imaging Rsna 2019 400

a2z Radiology AI nabs U.S. FDA clearance for CT device

By AuntMinnie.com staff writers

The device can flag seven urgent findings on abdominal/pelvic CT scans simultaneously.

November 26, 2025

CMS finalizes Medicare reimbursement for Caristo's coronary plaque analysis

By AuntMinnie.com staff writers

The U.S. Centers for Medicare & Medicaid Services (CMS) has finalized reimbursement for Caristo Diagnostics’ CaRi-Plaque.

November 25, 2025

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Use precontrast, low attenuation CT to better identify liver cancer

By Kate Madden Yee

Precontrast low attenuation on CT shows up as a region darker than surrounding tissues because fewer x-rays are being blocked.

November 25, 2025

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GEHC submits 510(k) to FDA for new PCCT system

By AuntMinnie.com staff writers

Photonova Spectra incorporates AI algorithms and is supported by the company's Deep Silicon semiconductor detector technology.

November 24, 2025

ConcertAI launches new reimbursement tool

By AuntMinnie.com staff writers

AI-powered platform tailored to payer requirements for reimbursable imaging biomarkers.

November 21, 2025

Money Bills Sky Line

CT use in the emergency department has increased more than 2-fold

By Kate Madden Yee

The use of head CT in the emergency department increased by 6.7% to 10.3% between 2007 and 2022, researchers have reported.

November 20, 2025

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FDA approves Canon’s hybrid interventional system

By AuntMinnie.com staff writers

Canon has received clearance from the U.S. FDA for its Alphenix 4D CT with Aquilion One/Insight Edition interventional imaging system.

November 19, 2025

ACS: Only 1 in 5 eligible U.S. adults underwent LCS in 2024

By Kate Madden Yee

If screening increased to 100%, an estimated 62,110 lung cancer deaths over five years would be prevented, the ACS reported.

November 19, 2025

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