Eric Barnes

CT
Spectral shaping delivers low-dose diagnostic chest CT in obese patients
Thursday, December 1 | 10:30 a.m.-10:40 a.m. | SSQ03-01 | Room E351Spectral shaping with tin beam filtration can improve thoracic CT in large adults weighing more than 90 kg, according to this Thursday morning presentation.
October 31, 2016
CT
How to image obstructive coronary artery disease
Thursday, December 1 | 8:30 a.m.-10:00 a.m. | RC603 | Room E351This review course gets to the heart of coronary disease, the malady underlying most cardiac morbidity, mortality, and expense. It includes a state-of-the-evidence talk, a discussion of CT myocardial perfusion imaging, and even two talks on MRI of coronary disease.
October 31, 2016
CT
Is SSDE best for tracking dose in low-dose CT lung cancer screening?
Thursday, December 1 | All day | PH107-ED-X | Lakeside, PH CommunityCan size-specific dose estimates (SSDEs) be considered the preferred dose index for detectability in lung cancer screening? This collaborative exhibit between Japanese and U.S. researchers explores the suitability of SSDE for dose assessment in lung cancer screening.
October 31, 2016
CT
Volume wins again in epidural spine metastases
Wednesday, November 30 | 3:20 p.m.-3:30 p.m. | SSM18-03 | Room N229Epidural spine metastases are defined as a radiologic critical finding because any delay in reporting may result in substantially increased morbidity. But how can imaging be optimized to find more of them?
October 31, 2016
CT
Time of detection matters in lung nodule malignancy
Wednesday, November 30 | 3:00 p.m.-3:10 p.m. | SSM05-01 | Room S404ABIn a study that analyzed the risk of malignancy of screen-detected solid lung nodules, researchers from the Netherlands found that nodule size remains by far the most important predictor of malignancy. But when a nodule is discovered also matters.
October 31, 2016
CT
Perfusion CT predicts treatment response, survival in HCC
Wednesday, November 30 | 10:30 a.m.-10:40 a.m. | SSK06-01 | Room E353ACT perfusion imaging offers early biomarkers for hepatocellular carcinoma (HCC) patients being treated with the kinase inhibitor sorafenib, helping doctors quickly determine who will survive longer and who is not being helped by the drug, say researchers in Japan.
October 31, 2016
CT
Myocardial fat offers protective shield
Tuesday, November 29 | 3:40 p.m.-3:50 p.m. | SSJ04-05 | Room S504ABMyocardial fat on CT images has long been thought to be a bad thing, so researchers in New York City were surprised to find just the opposite in 1,000 patients: enhanced survival and potentially a readjusted risk profile.
October 31, 2016
CT
Technique uses CT to assess subchondral bone density
Tuesday, November 29 | 11:30 a.m.-11:40 a.m. | SSG09-07 | Room E450BResearchers from Switzerland have found a way to evaluate bone mineral density in the subchondral bone using high-resolution CT, paving the way to better understanding of osteoarthritis, leading to treatment or a cure.
October 31, 2016
CT
Organ-based dose modulation tames a high-dose CT exam
Tuesday, November 29 | 11:30 a.m.-11:40 a.m. | SSG04-07 | Room E352An organ-based dose modulation system enables reduction of CT liver doses by one-quarter or more, with no reduction in image quality, say researchers from France.
October 31, 2016
CT
Study measures accuracy of iodine quantification
Tuesday, November 29 | 11:20 a.m.-11:30 a.m. | SSG12-06 | Room S403BThe accuracy of iodine quantification is becoming a critical question as researchers rely increasingly on dual-energy CT to quantify the composition of scanned materials. Researchers tested three different scanners to find out how well they do the job.
October 31, 2016
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Digital X-Ray
Chest x-rays reveal atherosclerosis in patients undergoing amputations
Lower limb amputation is an increasingly common major complication of advanced peripheral arterial disease and diabetes mellitus.
Cardiac Mri Adobe Samunella
MRI
3D MRI technique helps plan treatment for pediatric heart conditions
Images of a 39-year-old who underwent screening mammography. Right craniocaudal (left) and mediolateral oblique (middle) views from preoperative mammography show suspicious grouped fine pleomorphic calcifications (arrows). After biopsy showed ductal carcinoma of situ (DCIS), patient underwent breast-conserving surgery, yielding final diagnosis of ductal carcinoma in situ (intermediate grade, hormone receptor positive). (Right) Screenshot of an output of a commercial AI tool applied to preoperative mammography. AI detected right breast lesion with score of 95% on both views (concentric colored circles). Present study’s reviewing radiologist deemed AI marking to correspond with site of DCIS.
Womens Imaging
Could AI scoring help with managing DCIS?
Axial contrast-enhanced CT scan in a 28-year-old premenopausal woman shows an incidentally detected solid-appearing left ovarian lesion (solid arrow) anterior to the uterus (U), associated with trace ascites in the right adnexa and cul de sac (dashed arrows). At pathologic analysis, this was shown to be ovarian dysgerminoma. Two readers misdiagnosed this lesion, one as a leiomyoma and one as an ovarian fibroma.
CT
Clinicians, beware: CT diagnostic accuracy varies by adnexal lesion type
Erin Stephens
Practice Management
Radiology coding update for 2026
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Tracking and quantitative analysis of diaphragmatic motion and projected lung area (PLA) at dynamic chest radiography (DCR) in a 55-year-old healthy man during deep breathing. (A) Posteroanterior radiograph with purple and green lines indicating the right and left lateral diaphragm apices, respectively. (B) Graph of diaphragmatic motion (in millimeters; y-axis) over time (i.e., frame number; x-axis). The software tracked the position of the diaphragm apex at DCR to obtain these amplitude-time plots of diaphragmatic motion (right lung, purple; left lung, green). The dark blue line corresponds to the frame representing the end of inspiration; the light blue line corresponds to the frame representing the end of expiration. (C) Posteroanterior radiograph shows the PLA (outline), which is the area surrounded by the medial edge of the ribs, the diaphragm, and the edge of the mediastinum. (D) Graph of PLA (in millimeters squared; y-axis) over time (i.e., frame number; x-axis). The software automatically tracked the boundaries of the lung fields and obtained the time-varying curves of the bilateral lung field areas. The blue line corresponds to the frame representing the end of inspiration.
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