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Ramírez-Giraldo, Juan Carlos

https://orcid.org/0000-0001-8143-9514

Mayo Clinic

Siemens Healthcare (United States)

Citations 6

Reply to “A Simple Path Forward to Reducing Excessive Radiation Doses for CT”
Wells, Jered R. , Christianson, Olav, Gingold, Eric L. , Jacobs, Jurgen, Boedeker, Kirsten , Ramírez-Giraldo, Juan Carlos , Yu, Lifeng , Samei, Ehsan , Gress, Dustin A. , Yu, Lifeng , McNitt‐Gray, Michael F.

American Journal of Roentgenology | June 11, 2025 | Volume: 226 | Issue: 1 | Pages: No page available

10.2214/ajr.25.33253 Get It

The New CMS Measure of Excessive Radiation Dose or Inadequate Image Quality in CT: Issues and Ambiguities—Perspectives From an AAPM-Commissioned Panel
Wells, Jered R. , Christianson, Olav, Gingold, Eric L. , Jacobs, Jurgen, Boedeker, Kirsten , Ramírez-Giraldo, Juan Carlos , Yu, Lifeng , Gress, Dustin A. , Yu, Lifeng , McNitt‐Gray, Michael F. , Samei, Ehsan

American Journal of Roentgenology | February 26, 2025 | Volume: 224 | Issue: 5 | Pages: No page available

10.2214/ajr.24.32458 Get It

Multi-institutional Protocol Guidance for Pediatric Photon-counting CT
Horst, Kelly K. , Cao, Joseph , McCollough, Cynthia H. , El-Ali, Alex M., Siegel, Marilyn J. , Ramírez-Giraldo, Juan Carlos , O’Donnell, Tom, Bach, Steve, Yu, Lifeng , Cao, Joseph Y , El-Ali, Alex , Frush, Donald P , Siegel, Marilyn J , Ramirez-Giraldo, Juan Carlos , O'Donnell, Tom , Bache, Steve , Yu, Lifeng , McCollough, Cynthia H , Horst, Kelly , El‐Ali, Alexander M.

Radiology | May 21, 2024 | Volume: 311 | Issue: 2 | Pages: No page available

10.1148/radiol.231741 Get It

This article addresses clinical challenges of photon-counting detector (PCD) CT in pediatric patients by outlining fundamental terminology, explaining technical aspects, and providing protocol guidance for the first commercially available PCD CT scanner.
Evaluation of Strategies to Reduce Radiation Dose in Perfusion CT Imaging Using a Reproducible Biologic Phantom
Ramírez-Giraldo, Juan Carlos , Thompson, Scott M. , Krishnamurthi, Ganapathy , Woodrum, David A. , Callstrom, Matthew R. , Ramirez-Giraldo, Juan C, Knudsen, Bruce E. , McCollough, Cynthia H.

American Journal of Roentgenology | May 23, 2013 | Volume: 200 | Issue: 6 | Pages: W621-W627

10.2214/ajr.12.9413 Get It

Noise Reduction to Decrease Radiation Dose and Improve Conspicuity of Hepatic Lesions at Contrast-Enhanced 80-kV Hepatic CT Using Projection Space Denoising
Ehman, Eric C. , Guimarães, Luís , Fidler, Jeff L. , Takahashi, Naoki , Ramírez-Giraldo, Juan Carlos , Yu, Lifeng , Huprich, James E., Holmes, David R. , Harmsen, William S. , Fidler, Jeff L. , Yu, Lifeng , Manduca, Armando , McCollough, Cynthia H. , Fletcher, Joel G. , Takahashi, Naoki

American Journal of Roentgenology | January 19, 2012 | Volume: 198 | Issue: 2 | Pages: 405-411

10.2214/ajr.11.6987 Get It

Dual-Energy Dual-Source CT With Additional Spectral Filtration Can Improve the Differentiation of Non–Uric Acid Renal Stones: An Ex Vivo Phantom Study
Qu, Mingliang , Ramírez-Giraldo, Juan Carlos , Williams, James C. , Vrtiska, Terri J., Leng, Shuai , Lieske, John C. , McCollough, Cynthia H.

American Journal of Roentgenology | May 23, 2011 | Volume: 196 | Issue: 6 | Pages: 1279-1287

10.2214/ajr.10.5041 Get It