Dhruv Chopra

Economics
The 2020 election and radiology's future
As the U.S. anticipates the results of the 2020 presidential election, healthcare continues to be among the biggest concerns for the American people. But radiology also has much to be worried about, with an 11% cut in Medicare payments looming, according to Dhruv Chopra, CEO of Collaborative Imaging.
November 2, 2020
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Industry News
Implementing best practices for restarting radiology
As states around the U.S. begin to reopen, radiology groups need to have a strategy to maneuver through the remainder of the COVID-19 pandemic and to handle the coming spike in business. Collaborative Imaging CEO Dhruv Chopra shares his suggestions on how to best restart radiology.
June 16, 2020
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Stroke Evt
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
Ctca
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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Economics
Current topics in mammography
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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.
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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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Lung Ct Images
Current topics in mammography
By Sandy Coffta
Sandy Coffta of Healthcare Administrative Partners discusses changes in reporting and reimbursement for mammography exams.
January 17, 2025
Coffta Sandy Thumbnail
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.
January 17, 2025
Wine Red Glass 400
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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Fapi Pet Gastric Cancer Thumbnail
CEM has slightly higher mean glandular dose than DBT, mammography
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Contrast-enhanced mammography (CEM) has a slightly higher mean glandular dose than other breast imaging modalities.
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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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Cancer Cell Target2
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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Ultrasound Portable
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
2025 Trends Concept
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.
January 15, 2025
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