Bhawna Dev, MD

Nov 30, 2010

Bhawna Dev, MD, of India and Preeti Ahlman, MD, of Utah talk about how they enjoy the RSNA "Case of the Day" and how the meeting is a chance to learn about cutting-edge radiological issues. AuntMinnie.com videos of RSNA 2010 series.

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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.
Dynamic chest radiography effective for diagnosing COPD
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Dynamic chest radiography effective for diagnosing COPD
By Will Morton
The technique can serve as an alternative to pulmonary function tests for diagnosing chronic obstructive pulmonary disease (COPD).
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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.
Study reports low NSF rates following GBCA administration
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Nephrogenic systemic fibrosis (NSF) following gadolinium-based contrast agent (GBCA) use is rare, researchers have reported.
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CEUS finds residual liver cancer after downstaging therapy
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Contrast-enhanced ultrasound (CEUS) is noninferior to contrast-enhanced MRI for detecting liver cancer after downstaging therapy.
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Venture capital investment continues to rise in radiology, with over $11 billion being invested in imaging companies.
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The treatment targets tumors with charged particles rather than the high-energy x-rays of photon therapy.
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The trial's conclusions are "unsupported," the Society of Breast Imaging (SBI) said, "due to significant methodological flaws."
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POCUS training leads to successful nerve block placement
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Incomplete smoking history documentation appears to be one of the reasons.
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Early imaging is not only more patient-friendly but also has the potential to simplify clinical workflows.
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A study showing the potential benefits of risk-based breast cancer screening has drawn criticism from the ACR.
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A debate at RSNA 2025 reviewed the current use of autonomous AI for chest radiographs and assessed future opportunities.
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At RSNA 2025, thoracic radiologists debated using autonomous AI for chest radiograph interpretation. They also fielded many audience questions and comments as well.
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A majority of survey respondents would not agree to AI as a sole reader.
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