Scott Williams

Miscellaneous Pulmonary
Misc > Bronchiectasis
April 2, 2002
Pulmonary
Pulmonary > Anatomy
April 2, 2002
Infections-Inflammatory
Infect > Parasites > PCP > Images > PCP- atypical
April 2, 2002
ScottWilliamsMD2 CHEST Infect Parasites PCP Images PCP- atypical pa.jpg (99273 bytes)
Mediastinal Masses
Mediastinum > Bochdalek
April 2, 2002
Cardiac
Cardiac Neoplasms:
April 2, 2002
Lipoma Cxr
Musculoskeletal
Bone Imaging
April 2, 2002
Endocrine
Endocrine > Thyroid > Neoplasms
April 2, 2002
Infections-Inflammatory
Infect > Granuloma > TB
April 2, 2002
Vascular Abnormalities
Vascular > ChronicPE
April 2, 2002
PET
PET > PET tumor imaging > Ovary
April 2, 2002
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Ultrasound Sound Waves Social
Womens Imaging
Imaging to have key role in new guidelines on managing mastitis
Medical societies have issued guidelines on managing mastitis in women, including considerations for ultrasound and mammography.
X Ray Chest Lungs
Digital X-Ray
Can radiologists, AI reliably identify lung abnormalities on x-ray?
Radiation Treatment Cancer Social
Womens Imaging
Modern EBRT reduces CVD risk in breast cancer patients
PSMA-PET images. (A) Representative examples illustrate the variability in the total tumor volume (TTV) among patients stratified by the number of metastatic lesions. (B) Case examples demonstrate TTV segmentation across a range of TTV values. Notably, as the tumor volume increased, a visible decrease in radiopharmaceutical uptake by normal organs is observed, particularly in the salivary glands, kidneys, and liver (denoted by brackets), a phenomenon known as the “sink effect.” SUV = standardized uptake value.
Molecular Imaging
PET/CT metric improves outcome predictions in Pluvicto patients
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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
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GPT-4V is limited in interpreting radiologic images
By Will Morton
GPT-4 Vision (GPT-4V) performs well on text-based radiology exam questions but struggles to answer image-related questions accurately.
September 3, 2024
Chatgpt 4
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.
AuntMinnie 2011: Joint Commission issues alert on medical radiation
By Eric Barnes
In 2011, our most highly viewed article reported on a sentinel alert from the Joint Commission on the dangers of medical radiation.
September 3, 2024
Am Logo Main 25 Anniversary Thumbnail 66635a3c44252 66ae4e8a1f10e
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.
How did radiology practices perform in the 2023 MIPS final results?
By Erin Stephens
In a new column, Erin Stephens of Healthcare Administrative Partners shares how radiology practices can find out how their MIPS performance score will affect 2025 Medicare reimbursement.
August 30, 2024
Erin Stephens.
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
How do radiology residencies do when it comes to LGBTQ+ inclusivity?
By Kate Madden Yee
Overall, radiology residency programs exhibit high levels of LGBTQ+ inclusivity. But there's still room for improvement.
August 29, 2024
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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
Using smaller LLMs for imaging translates to better sustainability
By Kate Madden Yee
Smaller, "fine-tuned" large language models (LLMs) used for imaging applications are more sustainable than large general-purpose LLMs.
August 28, 2024
Chat Gpt Artificial Intelligence Ai Head
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