Shalmali Pal

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Beyond ischemia, dobutamine stress MRI predicts major cardiac events

SAN FRANCISCO - Using dobutamine stress MRI (DSMR) to detect myocardial ischemia in coronary artery disease is hardly a new-fangled technique. But is the technique of any value for forecasting whether these patients will suffer from major adverse cardiac events? Yes, according to a presentation Friday at the Society for Cardiovascular Magnetic Resonance (SCMR) meeting.

January 23, 2005

Nuclear Medicine

Aw shucks! Corn-oil-based scintigraphy makes good in gallbladder disorder

A tall glass of citrus-and-vanilla-flavored corn oil may not whet your whistle, but it is an effective, inexpensive, and palatable gallbladder stimulant for the scintigraphic diagnosis of chronic acalculous cholecystitis (CAC), according to nuclear medicine specialists from -- where else? -- Iowa, a state that grew more than 2.2 billion bushels of corn in 2004.

January 19, 2005

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Breast biopsy costs big bucks, but so does cancer screening

It's no surprise that breast biopsy and other interventional procedures are associated with high costs. But screening mammography alone carries a fairly significant price tag, according to a study in the latest Radiology.

January 18, 2005

MRI pulls double duty for PFO, atrial septal aneurysm

Patent foramen ovale (PFO) is a known cause of cerebral strokes, and studies have shown that the stroke rate is even higher if PFO is associated with an atrial septal aneurysm. Researchers from Europe suggest using contrast-enhanced dynamic MRI for detecting both conditions.

January 13, 2005

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Study questions PFO and cerebral damage link in scuba divers

An ongoing debate in the scuba diving community involves people who have never suffered from type II decompression sickness, but who may still be at risk for cerebral damage because of "silent" gas embolisms. Previous studies have found that divers with patent foramen ovale are at a greater risk for gas embolisms. However, an MR study by researchers in Germany finds the risk may have been overstated.

January 13, 2005

Studies examine breast density and tissue pattern changes with age, isoflavone intake

Increased mammographic density has been linked with an increased risk of breast cancer. But unlike other breast cancer risk factors, breast density can be influenced by hormone changes and diet. Specialists from Boston studied how breast tissue patterns change over time, while British researchers examined whether dietary isoflavones affect mammographic breast density.

January 12, 2005

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Studies serve food for thought on cancer link to meat, fruits, and veggies

There's disappointing news for both high-protein diet devotees and vigilant vegans. According to the latest research on the food-cancer link, tearing into red meat regularly raises the risk for colorectal cancer, but eating bushels of fruits and vegetables may not offer protection against breast cancer.

January 11, 2005

AuntMinnie.com MRI Radiology Insider

January 9, 2005

Nuclear Medicine

Neuroradiotracer may be useful in scintimammography

Researchers from Sweden compared the uptake of 99mTc-exametazime to that of 99mTc-sestamibi in known breast tumors and found the two radiotracers to be comparable, making the lipophilic agent a possible contender for enhancing scintimammography.

January 5, 2005

Tumor type, breast profile determine value of mammo, US, and MR

The strengths and weaknesses of multiple modalities in breast imaging depend largely on the type of breast tissue involved. Ultrasound and MRI may be more sensitive to invasive cancer than mammography in dense breasts, but are of little value in fatty breasts. A combination of all three will mean a greater sensitivity to malignancy, but there are still some pitfalls, according to a report in Radiology.

January 5, 2005

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Dexa

3D DEXA reveals lower bone density in diabetes patients

3D DEXA revealed differences that conventional bone mineral density measurements did not detect.

Beer Glasses Adobe Viiviien

Gadolinium in ... beer?

Ultrasound Probe Vascular

MWA safe, effective in treating hyperthyroidism with nodules

Psma Pet

AI model shows promise for diagnosing prostate cancer

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'Habitat' AI model helps stratify lung nodule disease risk on LDCT

CBBCT features help identify LVI on breast cancer patients

By Amerigo Allegretto

Contrast-enhanced conebeam breast CT (CBBCT) imaging features can help identify lymphovascular invasion (LVI) status in breast cancer patients.

February 14, 2025

Ct Scan Patient

New PET tracer developed for breast cancer

A new PET radiotracer shows promise for diagnosing triple-negative breast cancer.

February 14, 2025

Ga-68 FZ-NR-1 PET/CT images and F-18 FDG PET/CT and PET/MRI images in representative nectin-4-positive TNBC patients. (A) PET/CT images and nectin-4 immunohistochemistry (IHC) staining of patient 1. Maximum-intensity projection (MIP) images and axial and coronal PET/CT images of Ga-68 FZ-NR-1 and F-18 FDG both showed high uptake in lung metastases (arrow). (B) PET/CT images and nectin-4 IHC staining of patient 2. MIP images and axial and coronal PET/CT images of Ga-68 FZ-NR-1 showed high uptake in recurrence of right breast cancer after surgery (arrow), and those of F-18 FDG PET/MRI showed high uptake. Image courtesy of the Journal of Nuclear Medicine.

Public trust in medical AI use low

By Amerigo Allegretto

Trust is low among U.S. adults when it comes to healthcare systems using AI responsibly and protecting patients from AI-related harms.

February 14, 2025

Artificial Intelligence Ai Data

Pluvicto safe in patients with impaired kidneys

Lu-177 prostate-specific membrane antigen-617 (Lu-177 PSMA-617, Pluvicto) may be safely delivered in patients with impaired renal function.

February 13, 2025

Lung lesion volume doubling times associated with survival metrics

By Kate Madden Yee

Tracking volume doubling times of the solid component of lung adenocarcinomas can help clinicians predict patients' recurrence-free survival.

February 13, 2025

fMRI reveals a brain circuit for creativity

By Kate Madden Yee

Functional MRI (fMRI) has revealed a brain circuit for creativity, researchers from Mass General Brigham in Boston have reported.

February 13, 2025

DCR shows promise in patients with cystic fibrosis

Dynamic chest radiography (DCR) shows potential as a tool to investigate lung health in people with cystic fibrosis.

February 13, 2025

Lung Illustration Blue

HPI: Radiologist supply, imaging demand will contribute to future workforce shortage

By Kate Madden Yee

Unless mitigating measures are taken, the current supply of radiologists in the U.S. and increased demand for imaging will likely lead to a continuing workforce shortage in the future.

February 12, 2025

Ct Scanner Control Room2 Radiologist

Ultrasound rules out N2 disease in PET-negative lung cancer patients

By Amerigo Allegretto

Combined endobronchial ultrasound and endoscopic ultrasound is a reliable tool for ruling out N2 disease in PET-negative lung cancer patients.

February 12, 2025

AI model annotates pediatric AXR reports

A large language model called Axpert demonstrates potential for automatically labeling necrotizing enterocolitis on infant abdominal x-ray (AXR) reports.

February 12, 2025

Myosteatosis on preoperative chest CT suggests worse NSCLC survival

By Kate Madden Yee

Indications of myosteatosis on preoperative chest CT imaging are linked with worse survival after surgery in patients with stage 0 to IIB non-small cell lung cancer (NSCLC).

February 11, 2025

Hormonal effects influence BPE degree on CEM

By Amerigo Allegretto

Hormonal effects influence the degree of background parenchymal enhancement (BPE) on contrast-enhanced mammography (CEM).

February 11, 2025

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