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25 years of CT technology advances translate to lower radiation doses

CT radiation doses have been reduced by a factor of two to 10, researchers have reported.

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A new imaging system developed by MIT researchers consists of a small ultrasound probe (left) attached to an acquisition and processing module that is a little larger than a smartphone.

MIT team reports success from wearable breast ultrasound device

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AI detects Alzheimer’s on brain perfusion SPECT scans

Subgroup analysis based on lesion size on PCCT images. The red outlined areas highlight the magnified images of lesions. (A-C) PCCT images in a 62-year-old woman with a body mass index (BMI) of 23.6, calculated as weight in kilograms divided by height in meters squared, who was diagnosed with adenocarcinoma. A lesion with a long diameter of 25 mm was identified in the right lower lobe on axial images acquired during the venous phase. For lesions less than or equal to 30 mm, decreasing section thickness improved boundary sharpness and contrast between the necrotic area and enhanced tissue, with optimal visualization at 0.4 mm. (D-F) PCCT images in a 66-year-old man with a BMI of 24.2 who was diagnosed with adenocarcinoma, revealing a lesion with a long diameter of 52 mm in the right lower lobe. For lesions greater than 30 mm, a section thickness of 1 mm demonstrated better contrast and clarity at the boundary of the necrotic area compared with 0.4 mm. This observation supported the selection of an appropriate section thickness for accurate quantification of necrotic regions within the lesion.

PCCT has higher safety profile that EID-CT for lung imaging

February 3, 2026

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Structured reporting, AI improve chest x-ray workflows

February 3, 2026

Exposure to macrocyclic GBCAs does not increase Parkinson's risk

February 3, 2026

LLM predicts CPT codes from interventional radiology notes

February 2, 2026

Check out our Cases of the Week!

75-year-old woman undergoing thoracic aorta assessment

A 75-year-old woman with a history of hypertension underwent CT angiography of the chest for assessment of the thoracic aorta.

51-year-old woman with abdominal pain

26-year-old man with shortness of breath post-tonsillectomy

2026 02 04 Ajr Mc Collough Figure Thumbnail

25 years of CT technology advances translate to lower radiation doses

MIT team reports success from wearable breast ultrasound device

AI detects Alzheimer’s on brain perfusion SPECT scans

PCCT has higher safety profile that EID-CT for lung imaging

Structured reporting, AI improve chest x-ray workflows

Breast Mammo Computer

AI-mammography finds more interval cancers, reduces workload

AI-measured myosteatosis from CAC CT scans helps predict future COPD

Beyond commoditization: How ultrasound AI vendors can thrive

AI detects tuberculosis on photos of chest x-rays

What's AI's impact on radiologist burnout?

Radiologist Breast Imaging Computer Screen

Public-private EU consortium awarded $17.6M for cancer research

AAPM lauds bill that would lift pay cap for VA medical physicists

Neurophet nabs U.S. FDA clearance for brain MRI software

Medtronic to acquire CathWorks for $585M

GEHC reports revenue growth for Q4, full year 2025

Podcast: Investigating the 2025 fatal MRI accident in New York, 2-episode premiere

More episodes »

Capitol Hill2

AAPM lauds bill that would lift pay cap for VA medical physicists

The pay cap has hindered access for veterans to essential care and worsened staffing shortages at Veterans Affairs (VA) medical centers.

25 years of CT technology advances translate to lower radiation doses

RadNet acquires Northwest Radiology Network

More Practice Management

Faster MRI & PET On Your Existing Fleet

February 5, 2026

Subtle Primary Image

Public-private EU consortium awarded $17.6M for cancer research

By AuntMinnie.com staff writers

The PreciseOnco consortium has been awarded $17.6 million from the EU’s Innovative Health Initiative for precision cancer treatment.

February 4, 2026

Radiologist Breast Imaging Computer Screen

AAPM lauds bill that would lift pay cap for VA medical physicists

By AuntMinnie.com staff writers

The pay cap has hindered access for veterans to essential care and worsened staffing shortages at Veterans Affairs (VA) medical centers.

February 4, 2026

Neurophet nabs U.S. FDA clearance for brain MRI software

By AuntMinnie.com staff writers

Neurophet Aqua AD Plus is an upgraded version of the existing Neurophet Aqua AD.

February 4, 2026

Medtronic to acquire CathWorks for $585M

By AuntMinnie.com staff writers

The intent to acquire CathWorks follows a 2022 strategic partnership with a co-promotion agreement for CathWorks’ FFRangio System.

February 4, 2026

GEHC reports revenue growth for Q4, full year 2025

By AuntMinnie.com staff writers

The company posted revenues of $5.7 billion for the fourth quarter.

February 4, 2026

ASTRO and ESTRO mark World Cancer Day

By AuntMinnie.com staff writers

Today’s radiotherapy is a far more precise, effective, and patient-centered treatment than ever before, according to the groups.

February 4, 2026

RadNet acquires Northwest Radiology Network

By AuntMinnie.com staff writers

RadNet has purchased six Indiana outpatient imaging centers from Northwest Radiology Network.

February 3, 2026

Radiology Tablet Multimedia 400

RevealAI-Lung software secures 510(k) clearance

By AuntMinnie.com staff writers

RevealDx has secured 510(k) clearance for its nodule-characterizing RevealAI-Lung software.

February 3, 2026

Lung Technology Medicine 400

Nanox gets FDA clearance for software upgrade

By AuntMinnie.com staff writers

Nanox's TAP2D image enhancement tool for the Nanox.ARC and Nanox.ARC X digital tomosynthesis systems has received U.S. FDA clearance.

February 3, 2026

Improving communication between RNs, radiologists boosts productivity

By Amerigo Allegretto

Communication strategies between registered nurses (RNs) and radiologists could reduce delays in imaging scheduling.

February 2, 2026

Rad And Nurse Xray Adobe Hockley M2peopleimagescom

Brainomix to release next generation stroke AI platform

By AuntMinnie.com staff writers

The new platform and feature upgrade offers a net water uptake capability using routine noncontrast CT scans.

February 2, 2026