RSNA 2014

Nov 30, 2014

Attendees arrive at McCormick Place for the opening day of RSNA 2014.

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An example of a typical BgRT plan: A) PET scan on diagnostic PET/CT and B) X1 PET-Linac for patient #15 with a PET avid rib metastasis with GTV size= 3.1 cc, PTV = GTV + 5mm, BTZ (biological tracking zone) = PTV + 5 mm, AC = 14.33 kBq/mL and NTS = 21.04. Red, magenta, and green contours represent GTV, PTV, and BTZ. C) Dose distribution and D) bounded-DVH of a BgRT plan are displayed for the same patient. The bounded Dose-Volume Histogram (DVH) models variations in BgRT delivery, encompassing fluctuation in target background signal variation, target localization and dose delivery uncertainties.
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DEXA study questions OsteoStrong claims
By Will Morton
Bone outcomes either remained stable or declined in 38 women who used the musculoskeletal strengthening program for eight months.
September 22, 2025
Dexa
MWA successful in treating multinodal thyroid conditions
By Amerigo Allegretto
Ultrasound-guided MWA is effective for treating solitary nodules, multinodular goiters, and autonomously functioning nodules.
September 22, 2025
Ultrasound Collage
AI industry paid $39.7M for radiology devices between 2017 and 2023
By Will Morton
The funds were part of a total of $179 million in payouts to healthcare professionals and hospitals over the timeframe.
September 22, 2025
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Radiation oncologists put RefleXion’s X1 system to the test
By Will Morton
A pilot study demonstrates the potential feasibility of using RefleXion's X1 unit in patients with prostate cancer.
September 19, 2025
An example of a typical BgRT plan: A) PET scan on diagnostic PET/CT and B) X1 PET-Linac for patient #15 with a PET avid rib metastasis with GTV size= 3.1 cc, PTV = GTV + 5mm, BTZ (biological tracking zone) = PTV + 5 mm, AC = 14.33 kBq/mL and NTS = 21.04. Red, magenta, and green contours represent GTV, PTV, and BTZ. C) Dose distribution and D) bounded-DVH of a BgRT plan are displayed for the same patient. The bounded Dose-Volume Histogram (DVH) models variations in BgRT delivery, encompassing fluctuation in target background signal variation, target localization and dose delivery uncertainties.
Is it time to ditch physical exams before ultrasound?
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Physical exams are omitted in over half of patient cases, and it seems diagnostic outcomes are unaffected.
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The AAPM sought to put the research into perspective, noting that "comorbidities, not radiation dose, likely explain study results."
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Mammography acquisition parameters affect both AI, radiologist reads
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The findings could help clinicians better develop "effective strategies for the clinical integration of AI," researchers noted.
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What prompts radiology department cancellations of imaging orders?
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Although the percentage of radiology cancellations of imaging orders is low, these cancellations are influenced by particular factors.
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AI model detects achalasia on chest x-rays
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Currently, few noninvasive tests are available for diagnosing the swallowing condition.
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Saliency maps using Grad-CAM++ (E and H) show the model’s point of interest in chest radiographs (C and F) of patients with achalasia. The model’s point of interest is highlighted with red, yellow, and green. In both the upper and lower panels (E and H), the point of interest is located in a region around the upper esophagus that corresponds to an air esophagogram and/or air-fluid level in the esophagus in the barium esophagogram (D and G).
Imaging linked to blood cancers in children and adolescents
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Researchers suggest that medical imaging may be associated with 10.1% of hematologic cancers.
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Echogenic rind on breast ultrasound holds diagnostic significance
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An echogenic rind on breast ultrasound could spell malignancy for suspicious lesions.
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Diagnostic transverse ultrasound image of the left breast in a 64-year-old woman shows irregular hypoechoic nonparallel mass with indistinct margins corresponding to palpable finding, assessed as BI-RADS category 4. Both readers assessed mass as having associated echogenic rind with complete circumferential extent (arrowheads). Ultrasound-guided biopsy of mass yielded diagnosis of invasive ductal carcinoma (intermediate grade, luminal A molecular subtype, no lymphovascular invasion).
HPI: Office-based imaging studies are often repeated when read by NPPs
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The findings highlight the benefit of specialized training when it comes to imaging exam interpretation.
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