Search Results - "Ropp, Alan M."

Impact of pixel value truncation on image quality of low dose chest CT by Hasegawa, Akira, Ishihara, Toshihiro, Pan, Tinsu, Ropp, Alan M., Winkler, Michael, Sneider, Michael B.

“…Purpose In some noisy low dose CT lung cancer screening images, we noticed that the CT density values of air were increased and the visibility of emphysema was…”
Get full text

Intimal Sarcoma of the Great Vessels by Ropp, Alan M, Burke, Allen P, Kligerman, Seth J, Leb, Jay S, Frazier, Aletta A

“…Intimal sarcomas of the pulmonary artery and aorta are rare entities with a poor prognosis. In many instances, pulmonary artery sarcomas are misinterpreted as…”
Get full text

CT Findings and Patterns of e-Cigarette or Vaping Product Use-Associated Lung Injury: A Multicenter Cohort of 160 Cases by Kligerman, Seth J, Kay, Fernando U, Raptis, Constantine A, Henry, Travis S, Sechrist, Jacob W, Walker, Christopher M, Vargas, Daniel, Filev, Peter D, Chung, Michael S, Digumarthy, Subba R, Ropp, Alan M, Mohammed, Tan-Lucien, Pope, Kristen W, Marquis, Kaitlin M, Chung, Jonathan H, Kanne, Jeffrey P

“…e-Cigarette or vaping-induced lung injury (EVALI) causes a spectrum of CT lung injury patterns. Relative frequencies and associations with vaping behavior are…”
Get full text

Characterisation of gas exchange in COPD with dissolved-phase hyperpolarised xenon-129 MRI by Myc, Lukasz, Qing, Kun, He, Mu, Tustison, Nicholas, Lin, Zixuan, Manichaikul, Ani W, Patrie, James, Cassani, Joanne, Nunoo-Asare, Roselove N, Huang, Yong, Obaida, Zaid, Tafti, Sina, Ropp, Alan M, Miller, Grady Wilson, Mata, Jaime, Altes, Talissa, Mugler, John, Shim, Y Michael

“…To investigate whether hyperpolarised xenon-129 MRI (HXeMRI) enables regional and physiological resolution of diffusing capacity limitations in chronic…”
Get more information

Scapular Fractures: What Radiologists Need to Know by Ropp, Alan M, Davis, Derik L

“…The purpose of this article are to review scapular anatomy and function, describe imaging features of traumatic scapular injury, and discuss the role of…”
Get full text

Spaced radiology: encouraging durable memory using spaced testing in pediatric radiology by Morin, Cara E., Hostetter, Jason M., Jeudy, Jean, Kim, Wendy G., McCabe, Jennifer A., Merrow, Arnold C., Ropp, Alan M., Shet, Narendra S., Sidhu, Amreet S., Kim, Jane S.

“…Applied memory research in the field of cognitive and educational psychology has generated a large body of data to support the use of spacing and testing to…”
Get full text

Emphysema Index Based on Hyperpolarized 3He or 129Xe Diffusion MRI: Performance and Comparison with Quantitative CT and Pulmonary Function Tests by Tafti, Sina, Garrison, William J, Mugler, John P, Shim, Y Michael, Altes, Talissa A, Mata, Jaime F, de Lange, Eduard E, Cates, Gordon D, Ropp, Alan M, Wang, Chengbo, Miller, G Wilson

“…Background Apparent diffusion coefficient (ADC) maps of inhaled hyperpolarized gases have shown promise in the characterization of emphysema in patients with…”
Get full text

Emphysema Index Based on Hyperpolarized 3 He or 129 Xe Diffusion MRI: Performance and Comparison with Quantitative CT and Pulmonary Function Tests by Tafti, Sina, Garrison, William J, Mugler, 3rd, John P, Shim, Y Michael, Altes, Talissa A, Mata, Jaime F, de Lange, Eduard E, Cates, Jr, Gordon D, Ropp, Alan M, Wang, Chengbo, Miller, G Wilson

“…Background Apparent diffusion coefficient (ADC) maps of inhaled hyperpolarized gases have shown promise in the characterization of emphysema in patients with…”
Get full text

Interobserver Reliability of the Coronary Artery Disease Reporting and Data System in Clinical Practice by Hu, Jiun-Yiing, Bergquist, Peter J., Hossain, Rydhwana, Ropp, Alan M., Kligerman, Seth, Amin, Sagar B., Sechrist, Jacob W., Patel, Priya, Jeudy, Jean, White, Charles S.

“…PURPOSE:This study aimed to evaluate interobserver reproducibility between cardiothoracic radiologists applying the Coronary Artery Disease Reporting and Data…”
Get full text

Lung Volume Dependence and Repeatability of Hyperpolarized 129Xe MRI Gas Uptake Metrics in Healthy Volunteers and Participants with COPD by Garrison, William J, Qing, Kun, He, Mu, Zhao, Li, Tustison, Nicholas J, Patrie, James T, Mata, Jaime F, Shim, Y Michael, Ropp, Alan M, Altes, Talissa A, Mugler, John P, Miller, G Wilson

“…To assess the effect of lung volume on measured values and repeatability of xenon 129 (129Xe) gas uptake metrics in healthy volunteers and participants with…”
Get full text

Lung Volume Dependence and Repeatability of Hyperpolarized 129 Xe MRI Gas Uptake Metrics in Healthy Volunteers and Participants with COPD by Garrison, William J, Qing, Kun, He, Mu, Zhao, Li, Tustison, Nicholas J, Patrie, James T, Mata, Jaime F, Shim, Y Michael, Ropp, Alan M, Altes, Talissa A, Mugler, 3rd, John P, Miller, G Wilson

“…To assess the effect of lung volume on measured values and repeatability of xenon 129 ( Xe) gas uptake metrics in healthy volunteers and participants with…”
Get full text

CT Findings and Patterns of e-Cigarette or Vaping Product Use-Associated Lung Injury by Kligerman, Seth J., Kay, Fernando U., Raptis, Constantine A., Henry, Travis S., Sechrist, Jacob W., Walker, Christopher M., Vargas, Daniel, Filev, Peter D., Chung, Michael S., Digumarthy, Subba R., Ropp, Alan M., Mohammed, Tan-Lucien, Pope, Kristen W., Marquis, Kaitlin M., Chung, Jonathan H., Kanne, Jeffrey P.

“…e-Cigarette or vaping-induced lung injury (EVALI) causes a spectrum of CT lung injury patterns. Relative frequencies and associations with vaping behavior are…”
Get full text

Did I Miss That: Subtle and Commonly Missed Findings on Chest Radiographs by Ropp, Alan, MD, Waite, Stephen, MD, Reede, Deborah, MD, Patel, Jay, MD

“…This article reviews examples of easily missed, subtle, or ambiguous lesions on chest radiography. Anecdotally, reliance on cross-sectional imaging has…”
Get full text