Dr. Andrew D. Lee

CT
Atlas of Gastrointestinal Imaging, Chapter 7 -- The Pancreas
Intraductal papillary mucinous neoplasm (IPMN) is a distinct subset of MCN that is being recognized with increasing frequency.
August 27, 2007
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Radiology Partners' Rich Heller, MD, discusses independent dispute resolution (IDR) under the No Surprises Act and more.
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T1/T2-weighted MRgFUS ratio imaging improves brain lesion contrast
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MRI
AI image reconstruction improves MRI's performance, patient experience
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Ultrasound
New breast ultrasound approach cuts false positives by nearly a third
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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Podcast: No Surprises Act IDR needs corrective action
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Radiology Partners' Rich Heller, MD, discusses independent dispute resolution (IDR) under the No Surprises Act and more.
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T1/T2-weighted MRgFUS ratio imaging improves brain lesion contrast
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T1/T2-weighted ratio imaging via MRgFUS improves chronic lesion contrast compared to T2-weighted imaging.
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AI image reconstruction improves MRI's performance, patient experience
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Study findings underscore the clinical value of AI in MRI, researchers noted.
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New breast ultrasound approach cuts false positives by nearly a third
By Amerigo Allegretto
Applying a generalized contrast-to-noise ratio to short-lag spatial coherence breast images could help reduce false positives.
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Dynamic chest radiography effective for diagnosing COPD
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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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CEUS finds residual liver cancer after downstaging therapy
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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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POCUS training leads to successful nerve block placement
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What causes lung cancers to be missed on screening?
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Incomplete smoking history documentation appears to be one of the reasons.
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