Greg Freiherr

PACS/VNA
Viewers define issues underlying enterprise imaging
In the final installment of our series on the challenges of enterprising imaging, contributing writer Greg Freiherr takes a look at a key ingredient in any enterprise installation: viewers. They can either enable enterprise imaging or doom it to failure.
April 14, 2016
2015 11 10 17 31 38 269 Computer Data 200
PACS/VNA
Image sharing presents challenges to the enterprise
Image sharing touches all aspects of patient management, from the practical to the incongruous, but it still remains a problem for patients and physicians at many institutions, according to contributing writer Greg Freiherr, who offers this third installment on the challenges of enterprise imaging.
March 22, 2016
2015 01 07 17 13 49 962 Broken Cd Dvd 200
PACS/VNA
PACS and EMR vendors aim to bridge workflow gap
Surrounded by flying dice and one-armed bandits, the Healthcare Information and Management Systems Society conference in Las Vegas did its best to establish a middle ground for discussions about enterprise imaging. Among the many difficulties that accompany the integration of medical images into patient medical records, workflow stood out.
March 10, 2016
2016 03 10 16 26 18 768 Arrow 200
PACS/VNA
HIMSS: Challenges take shape as enterprise imaging gains prominence
LAS VEGAS - At the just-concluded Healthcare Information and Management Systems Society (HIMSS) meeting, three radiology thought leaders described the challenges that threaten enterprise imaging and the forces that are compelling the medical community to embrace it.
March 2, 2016
2016 02 28 16 18 58 556 Las Vegas Sign 200
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Interventional
EVT promising in patients with extracranial ICA occlusions
Endovascular thrombectomy (EVT) and best medical treatment are both effective and safe options for patients with acute extracranial internal carotid artery occlusions.
Images depict a 49-year-old female participant with cryptogenic cirrhosis who presented with a 3.2-cm liver lesion. This biopsy-confirmed hepatocellular carcinoma (HCC) with an initial categorization of Liver Imaging Reporting and Data System (LI-RADS) category LR-4 (probably HCC) at CT was upgraded to LR-5 (definitely HCC) at contrast-enhanced ultrasound (CEUS). (A) Precontrast CT images in the liver show vague hypoattenuation in the medial left hepatic lobe (arrows). (B) Arterial phase images demonstrate no definite arterial phase hyperenhancement (arrows). (C) Washout and an enhancing capsule (arrows) on a late-phase image resulted in an LR-4 categorization. (D) B-mode ultrasound shows a round hypoechoic nodule (arrows). (E) An early-phase CEUS image shows clear arterial-phase hyperenhancement (arrows); (F) No washout at one minute (arrows), and (G) late, mild washout at four minutes (arrows) resulted in a CEUS LR-5 categorization.
Ultrasound
CEUS resolves indeterminate CT, MRI liver observations
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Molecular Imaging
PET/CT can rule out CAV in heart transplant patients
Lung Ct Images
CT
Machine learning can predict immunotherapy response in NSCLC patients
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EVT promising in patients with extracranial ICA occlusions
By Will Morton
Endovascular thrombectomy (EVT) and best medical treatment are both effective and safe options for patients with acute extracranial internal carotid artery occlusions.
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Stroke Evt
CEUS resolves indeterminate CT, MRI liver observations
By Amerigo Allegretto
Contrast-enhanced ultrasound (CEUS) can resolve some high-risk indeterminate liver observations initially seen on CT or MRI.
January 21, 2025
Images depict a 49-year-old female participant with cryptogenic cirrhosis who presented with a 3.2-cm liver lesion. This biopsy-confirmed hepatocellular carcinoma (HCC) with an initial categorization of Liver Imaging Reporting and Data System (LI-RADS) category LR-4 (probably HCC) at CT was upgraded to LR-5 (definitely HCC) at contrast-enhanced ultrasound (CEUS). (A) Precontrast CT images in the liver show vague hypoattenuation in the medial left hepatic lobe (arrows). (B) Arterial phase images demonstrate no definite arterial phase hyperenhancement (arrows). (C) Washout and an enhancing capsule (arrows) on a late-phase image resulted in an LR-4 categorization. (D) B-mode ultrasound shows a round hypoechoic nodule (arrows). (E) An early-phase CEUS image shows clear arterial-phase hyperenhancement (arrows); (F) No washout at one minute (arrows), and (G) late, mild washout at four minutes (arrows) resulted in a CEUS LR-5 categorization.
PET/CT can rule out CAV in heart transplant patients
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Cardiac PET/CT scans can effectively rule out moderate to severe cardiac allograft vasculopathy (CAV) in heart transplant patients.
January 17, 2025
Ctca
Machine learning can predict immunotherapy response in NSCLC patients
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Machine learning (ML) can help clinicians predict immunotherapy response in patients with inoperable non-small cell lung cancer (NSCLC).
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Current topics in mammography
By Sandy Coffta
Sandy Coffta of Healthcare Administrative Partners discusses changes in reporting and reimbursement for mammography exams.
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Surgeon General's alcohol advisory puts patient counseling at the fore
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Patient communication and education may be key for radiologists in the wake of the Surgeon General’s advisory on alcohol-related cancer risk.
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FAPI-PET shows promise for imaging gastric cancers
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Gallium-68 fibroblast activation protein inhibitor (FAPI) PET/CT is a promising new method for imaging gastric cancer.
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CEM has slightly higher mean glandular dose than DBT, mammography
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ACS: Cancer mortality continues to drop
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Cancer mortality rates continue to drop -- although incidence of the disease is rising in women, according to an annual study released by the ACS.
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POCUS useful for diagnosis of retained conception tissue
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Point-of-care ultrasound (POCUS) can be a useful tool for diagnosing the presence of retained conception tissue.
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Top 5 predictions for the imaging IT and AI markets in 2025
By Amy Thompson
Amy Thompson of Signify Research shares five predictions for the Imaging IT and AI markets in a new column.
January 15, 2025
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Simulated contrast-enhanced MRI helps assess prostate cancer
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Simulated contrast-enhanced MR images from noncontrast sequences using deep learning show promise for assessing clinically significant prostate cancer.
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