Clinical News: Page 2

Does AI actually improve radiologists' diagnostic performance for ICH?
By Kate Madden Yee
Using an AI triage protocol for the detection of intracranial hemorrhage (ICH) did not improve radiologists' diagnostic performance or report turnaround times.
September 4, 2024
Ct Intracerebral Hemorrhage
Do you have to perform intussusception reduction immediately?
By Amerigo Allegretto
Intussusception reduction can be performed within eight hours of ultrasound diagnosis, not necessarily within two hours.
September 4, 2024
Ultrasound Diagnostic Control Panel 400
Chest CT can opportunistically predict hip fracture risk
By Kate Madden Yee
Chest CT performed for other indications can opportunistically predict hip fracture risk by measuring pectoral muscle index and vertebral body attenuation values.
September 4, 2024
Hip Joint
Restaging MRI in rectal cancer patients helps predict outcomes
By Erik L. Ridley
A new study found that restaging MRI could stratify patients into clinical response categories that were predictive of patient outcomes.
September 3, 2024
2024 09 03 Images Medium Radiol 232748 fig1 Thumbnail
Machine learning used with CT imaging foretells lung abnormalities
By Kate Madden Yee
Using machine-learning models with CT images helps clinicians predict interstitial lung abnormalities, researchers have reported.
September 3, 2024
Lung Ct Images
MRI model predicts treatment response in breast cancer patients
By Amerigo Allegretto
Radiomics scoring derived from contrast-enhanced MRI can predict treatment response in women being treated for triple-negative breast cancer.
September 3, 2024
Axial dynamic contrast-enhanced MRI scans show results from two women before they underwent neoadjuvant chemoimmunotherapy for triple-negative breast cancer. (A) T1-enhanced MRI scan, (B) rate constant for contrast agent plasma-to-interstitial transfer (Ktrans) map, and (C) maximum contrast agent uptake rate (Slopemax) map in a 56-year-old woman depict a tumor that manifested as a spherical 4-cm mass enhancement (arrow in A) in the right breast with axillary node involvement (arrowhead in A). The radiomics score was high, at 3.3. Histopathologic examination after chemotherapy revealed no invasive residual cancer in the breast or the lymph nodes (pathologic complete response). (D) T1-enhanced MRI scan, (E) Ktrans map, and (F) Slopemax map in a 49-year-old woman show a tumor that manifested as a spiculated 3-cm mass enhancement (arrow in D) in the left breast with thickening of the skin (arrowhead in D). The parametric maps show much greater spatial heterogeneity than in the case shown in B and C, with areas of high intensity. The radiomics score was low, at −1.6. Histopathologic examination after chemotherapy revealed a 10-mm invasive residual cancer in the breast (not pathologic complete response). Image courtesy of the RSNA.
Women less likely to return to mammo after false-positive results
By Amerigo Allegretto
Women are less likely to return to screening after false-positive mammography results.
September 3, 2024
Breast Mammography Scanner
Radiologists in Turkey describe aftermath of 2023 earthquakes
By Will Morton
Radiologists in Turkey have described events that occurred in the first 24 hours in a radiology unit after two major earthquakes devastated the country on February 6, 2023.
August 30, 2024
The number of patients affected by region. Images available for republishing under Creative Commons license (CC BY 4.0 DEED, Attribution 4.0 International) and courtesy of Tomography.
Low risk of oropharynx cancer on PET/CT, surgeons advise
By Will Morton
Radiologists can help reduce unnecessary follow-up work in patients with suspected oropharynx cancer by analyzing certain metrics on PET/CT scans.
August 30, 2024
Headandneck2
PET reveals brain pathology that may drive depression
By Will Morton
Early brain accumulation of amyloid plaque on PET scans is associated with emerging depressive symptoms in cognitively unimpaired older adults.
August 29, 2024
Pittsburgh Compound B (PiB) PET distribution volume ratio (DVR) images were projected onto fsaverage surfaces from FreeSurfer and surface smoothed, with PiB (amyloid) slope maps created using ordinary least squares regression (time as only factor) and mixed effects models for 154 participants run at each vertex (P < .01; model: longitudinal Geriatric Depression Scale score estimated by amyloid slope × time + [sex + education + age] × time). This map visualizes the results of the linear mixed-effects models (t score of the main variable, amyloid slope × time) such that regions with a greater t score (red) represent areas in which greater depressive symptoms are associated with greater amyloid accumulation (amyloid slope). Anatomical landmarks are provided: L refers to the left hemisphere, R refers to the right hemisphere, and additional labels indicate the anterior and posterior ends of the brain. Images available for republishing under Creative Commons license (CC BY 4.0 DEED, Attribution 4.0 International) and courtesy of JAMA Open Network.
7 key factors that negatively affect CT contrast administration
By Kate Madden Yee
There are seven critical but often neglected factors that negatively affect the administration of CT contrast, according to a recent study.
August 29, 2024
Contrast Injector
Annual mammography screening leads to better patient outcomes
By Amerigo Allegretto
A recent study found that annual screening mammography is tied to lower risk of late-stage cancer and better overall survival among women.
August 28, 2024
Mammogram Breast 400
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