Zobrazeno 1 - 10
of 171
pro vyhledávání: '"Vassilios Raptopoulos"'
Autor:
Johannes Boos, Olga R. Brook, Vassilios Raptopoulos, Michele Perillo, Jieming Fang, Martin P. Smith, Christina M Chingkoe
Publikováno v:
American Journal of Roentgenology. 209:1056-1063
The purpose of this article is to evaluate the image quality and added value of split-bolus contrast agent injection combining late arterial and portal venous phases compared with single-bolus contrast agent injection late arterial phase CT enterogra
Autor:
Alexander Brook, Carol Wilcox, Da Zhang, Benedikt H. Heidinger, Jieming Fang, Vassilios Raptopoulos, Olga R. Brook
Publikováno v:
Abdominal Radiology. 42:742-748
To assess single energy metal artifact reduction (SEMAR) and spectral energy metal artifact reduction (MARS) algorithms in reducing artifacts generated by different metal implants.Phantom was scanned with and without SEMAR (Aquilion One, Toshiba) and
Autor:
Alexander Brook, Olga R. Brook, Robert G. Sheiman, Johannes Boos, Bettina Siewert, Kathryn L. McGillen, Ruvandhi R. Nathavitharana, Maryellen R. Sun, Vassilios Raptopoulos, Robert A. Kane
Publikováno v:
Abdominal Radiology. 42:298-305
The purpose of the study was to evaluate diagnostic yield and the added value of culture results on the clinical management of patients empirically treated with antibiotics prior to CT-guided drainage. This retrospective, HIPAA-compliant, IRB-approve
Autor:
Leo L. Tsai, Vassilios Raptopoulos
Publikováno v:
Imaging in Clinical Oncology ISBN: 9783319688725
Gene expression profiling of human tissues produces a better understanding of normal cellular pathways and pathological conditions at a biomolecular level. In oncology, this has led to better understanding of tumor genesis and gene expression signatu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67d9821003c9e66dc63909db52f5742e
https://doi.org/10.1007/978-3-319-68873-2_6
https://doi.org/10.1007/978-3-319-68873-2_6
Publikováno v:
Abdominal radiology (New York). 42(10)
To investigate the feasibility and accuracy of a split-bolus contrast injection CTA (SB-CTA) compared to a single-bolus injection CTA (SI-CTA) protocol of post-EVAR patients. In this IRB-approved study, patients who underwent SB-CTA and SI-CTA after
Autor:
Melvin E. Clouse, Atif N. Khan, Andrew Karellas, Vassilios Raptopoulos, Thomas H. Hauser, Francine K. Welty, Ali F. Jon, Imad Nasser, Ahmad R. Cheema
Publikováno v:
Clinical Imaging. 38:259-264
Objective To develop a simplified method to quantify liver fat using computed tomography (CT) fat % index (CT FPI ) compared to liver spleen method (CT L/S , CT L−S ). Methods Noncontrast CT of the liver was performed in 89 patients (overweight, ob
Autor:
Johannes Boos, Trevor C. Morrison, Alexander Brook, Vassilios Raptopoulos, Olga R. Brook, Christina M Chingkoe, Koenraad J. Mortele, Ivan Pedrosa
Publikováno v:
Abdominal radiology (New York). 42(2)
To investigate incidental pancreatic cysts (IPCs) size discrepancy in a cohort of patients receiving both computed tomography (CT) and magnetic resonance imaging (MRI) and its impact on clinical management based on the 2010 American College of Radiol
Autor:
Vassilios Raptopoulos, Alexander Brook, Olga R. Brook, Anand Mahadevan, Sofia Gourtsoyianni, Carol Wilcox
Publikováno v:
Radiology. 263:696-705
Spectral CT utilizing metal artifacts reduction software improved tumor visibility in the vicinity of gold fiducial seeds.
Autor:
Vassilios Raptopoulos, David Avigan, Christina A. LeBedis, Jay Pahade, Chun S. Yam, Ivan Pedrosa, Jonathan B. Kruskal
Publikováno v:
American Journal of Roentgenology. 196:1094-1101
The purpose of this article is to evaluate the incidence of contrast-induced nephropathy (CIN) and the effects of associated risk factors in patients with multiple myeloma undergoing contrast-enhanced CT (CECT) with IV administration of nonionic iodi
Publikováno v:
American Journal of Roentgenology. 194:145-150
The objective of our study was to test a dose reduction protocol that uses combined vascular-excretory phase scanning achieved by split IV contrast injection and compare it with conventional multiphase MDCT angiography (MDCTA) in evaluating potential