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Sep 24, 2017

Community Highlighter Expanded 20171010165552

County-level net change in radiation oncology practice sites from first appearance through 2025.

ASTRO highlights study on disappearing radiation oncology centers

July 10, 2026

CCTA finds coronary disease in men with erectile dysfunction

July 10, 2026

Marijuana use linked to greater coronary plaque burden

July 10, 2026

MRI false positive for additional disease, (top to bottom): A. Index lesion—grade 2 invasive ductal carcinoma; B. MRI lesion two, upper inner quadrant: Stromal sclerosis and columnar cell change; C. MRI lesion three, upper outer quadrant: No ultrasound correlate, no malignancy on follow-up; D. CEM marked background parenchymal enhancement with a unifocal retroareolar lesion demonstrating wash-out on delayed MLO. Images are republished under a Creative Commons license (CC BY 4.0).

CEM on par with MRI for breast cancer diagnosis, local staging

July 10, 2026

ASTRO highlights study on disappearing radiation oncology centers

By Amerigo Allegretto

Over two-thirds of all U.S. counties reported lacking a radiation oncology practice site in 2025.

July 10, 2026

County-level net change in radiation oncology practice sites from first appearance through 2025.

CCTA finds coronary disease in men with erectile dysfunction

Erectile dysfunction caused by vascular problems is associated with a higher risk of coronary artery disease.

July 10, 2026

Marijuana use linked to greater coronary plaque burden

Marijuana users demonstrated more than double coronary artery calcium scores than nonusers.

July 10, 2026

CEM on par with MRI for breast cancer diagnosis, local staging

By Amerigo Allegretto

CEM alone in a prospective study achieved perfect sensitivity and negative predictive value in diagnosing breast cancer.

July 10, 2026

MRI false positive for additional disease, (top to bottom): A. Index lesion—grade 2 invasive ductal carcinoma; B. MRI lesion two, upper inner quadrant: Stromal sclerosis and columnar cell change; C. MRI lesion three, upper outer quadrant: No ultrasound correlate, no malignancy on follow-up; D. CEM marked background parenchymal enhancement with a unifocal retroareolar lesion demonstrating wash-out on delayed MLO. Images are republished under a Creative Commons license (CC BY 4.0).

Ultrasound MinnieCast, Episode 12: AI adds to ultrasound in global maternity care

By Amerigo Allegretto

Researchers from Google Research share results of a study on an AI ultrasound model estimating gestational age in pregnant women.

July 10, 2026

Minnie Cast Thumbnail (14)

New PET tracer show promise in neuroblastoma

F-18 mFBG achieved a pooled sensitivity of 97%, compared with 82% for I-123 MIBG.

July 9, 2026

AI ultrasound model accurately estimates gestational age

By Amerigo Allegretto

The model achieved noninferiority compared to standard clinical assessments in healthcare settings based in the U.S. and Africa.

July 9, 2026

Ultrasound In Africa 400

AR-guided localization may sub for CT for early-stage lung cancer

By Amerigo Allegretto

AR-guided localization was noninferior to conventional CT guidance and led to better patient experiences.

July 8, 2026

Lungs 3 D Research 400

Study backs LDCT lung cancer screening in Singapore

Lung cancer is the leading cause of cancer death in Singapore, with approximately 48% of cases occurring in individuals who have never smoked.

July 8, 2026

New criteria evaluates treatment response in bone metastases

RECIBM-defined response classifications showed high agreement with established criteria and reclassified 19% of patients.

July 7, 2026

Response Evaluation Criteria in Bone Metastases (RECIBM) and metabolic criteria were used to detect a complete response missed at anatomic assessment. A 76-year-old male patient presented with 1 month of hemoptysis and was diagnosed with small cell lung cancer and bone metastases. Baseline (July 2022) F-18 FDG-PET/CT images (A, maximum intensity projection image; B–E, axial images) demonstrate FDG-avid lesions in the left lamina of the first lumbar vertebra (L1) (straight yellow arrows; maximum standardized uptake value, 2.74; peak standardized uptake value normalized to lean body mass, 1.59) and left ilium (curved yellow arrows; maximum standardized uptake value, 3.68; peak standardized uptake value normalized to lean body mass, 2.28). After seven chemotherapy cycles (December 2022), follow-up PET/CT images (F, maximum intensity projection image; G–J, axial images) show complete metabolic resolution of bony lesions (L1: maximum standardized uptake value, 1.32, and peak standardized uptake value normalized to lean body mass, 0.85; left ilium: maximum standardized uptake value, 1.48, and peak standardized uptake value normalized to lean body mass, 0.82), without apparent osteolytic or osteoblastic changes at CT. Assessment was stable disease (SD) according to the University of Texas MD Anderson Cancer Center (MDA) criteria but complete response (CR) or complete metabolic response (CMR) according to RECIBM, PET Response Criteria in Solid Tumors (PERCIST), and European Organization for Research and Treatment of Cancer (EORTC) criteria. The patient was alive as of September 30, 2025.

CT sign may flag who benefits from subdural hematoma procedure

Among participants with the “the hyperdense capsule sign,” middle meningeal artery embolization resulted in significant benefits over usual care.

July 7, 2026

Representative axial noncontrast CT images with and without the hyperdense capsule sign (HDCS). The HDCS is defined as a hyperdense capsule layer of linear shape surrounding a subdural hematoma (SDH). (A–D) Images of SDH with the HDCS (arrowheads). (E–H) Images of SDH without the HDCS.

Classification system could improve MRI lumbar spinal stenosis grading

By Amerigo Allegretto

An educational intervention that use a classification system led to improved overall correctness and interobserver reliability.

July 6, 2026

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