Research Output

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Variability of quantitative measurements of metastatic liver lesions: a multi-radiation-dose-level and multi-reader comparison

2020 , Yuqin Ding , Daniele Marin , Federica Vernuccio , GONZALEZ COFRE, FERNANDO OMAR , Hannah V. Williamson , Hans-Christoph Becker , Bhavik N. Patel , Justin Solomon , Juan Carlos Ramirez-Giraldo , Ehsan Samei , Rendon C. Nelson , Mathias Meyer

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Comparison of Iodine Quantification and Conventional Attenuation Measurements for Differentiating Small, Truly Enhancing Renal Masses From High-Attenuation Nonenhancing Renal Lesions With Dual-Energy CT

2019 , Mathias Meyer , Rendon C. Nelson , Federica Vernuccio , GONZALEZ COFRE, FERNANDO OMAR , Christoph Schabel , Achille Mileto , Bhavik N. Patel , Stefan O. Schoenberg , Daniele Marin

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Switching Stable Kidney Transplant Recipients to a Generic Tacrolimus Is Feasible and Safe, but It Must Be Monitored

2017 , Fernando González , Elizabeth Arriagada , René López , René Carrasco , NATALIA BERNARDITA GALLARDO CHAPARRO , Eduardo Lorca

Background. Tacrolimus is the primary immunosuppressive drug used in kidney transplant patients. Replacing brand name products with generics is a controversial issue that we studied after a Chilean Ministry of Health mandate to implement such a switch.Methods. Forty-one stable Prograf (Astellas) receiving kidney transplant patients were switched to a generic tacrolimus (Sandoz) in a 1 : 1 dose ratio and were followed up for up to 8 months. All other drugs were maintained as per normal practice.Results. Neither tacrolimus doses nor their trough blood levels changed significantly after the switch, but serum creatinine did:1.62±0.90versus1.75±0.92 mg/dL (p<0.001). At the same time, five graft biopsies were performed, and two of them showed cellular acute rejection. There were nine infectious episodes treated satisfactorily with proper therapies. No patient or graft was lost during the follow-up time period.Conclusion. Switching from brand name tacrolimus to a generic tacrolimus (Sandoz) is feasible and appears to be safe, but it must be monitored carefully by treating physicians.

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MRI/TRUS fusion vs. systematic biopsy: intra-patient comparison of diagnostic accuracy for prostate cancer using PI-RADS v2

2020 , Andrés Labra , Claudio Silva , Fernando González , Gerhard Franz , Rodrigo Pinochet , Rajan T. Gupta

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Correlation of preoperative imaging characteristics with donor outcomes and operative difficulty in laparoscopic donor nephrectomy

2020 , Fides R. Schwartz , Brian I. Shaw , Reginald Lerebours , Federica Vernuccio , Francesca Rigiroli , GONZALEZ COFRE, FERNANDO OMAR , Sheng Luo , Aparna S. Rege , Deepak Vikraman , Lynne Hurwitz‐Koweek , Daniele Marin , Kadiyala Ravindra

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LI-RADS: Diagnostic Performance of Hepatobiliary Phase Hypointensity and Major Imaging Features of LR-3 and LR-4 Lesions Measuring 10-19 mm With Arterial Phase Hyperenhancement

2019 , Federica Vernuccio , Roberto Cannella , Mathias Meyer , Kingshuk Roy Choudhoury , Fernando Gonzáles , Fides R. Schwartz , Rajan T. Gupta , Mustafa R. Bashir , Alessandro Furlan , Daniele Marin , GONZALEZ COFRE, FERNANDO OMAR

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Virtual Unenhanced Images at Dual-Energy CT: Influence on Renal Lesion Characterization

2019 , Mathias Meyer , Rendon C. Nelson , Federica Vernuccio , GONZALEZ COFRE, FERNANDO OMAR , Alfredo E. Farjat , Bhavik N. Patel , Ehsan Samei , Thomas Henzler , Stefan O. Schoenberg , Daniele Marin