Abstracts tagged "Computed tomography (CT)"

Abstract Number: 1712 • 2015 ACR/ARHP Annual Meeting
Development of a Novel SI Joint CT Score for Diagnosis of Axial Spondylitis
Jonathan Chan^1,2, Ismail Sari^3,4, David Salonen⁵, Robert D Inman⁶ and Nigil Haroon⁷, ¹Rheumatology, Spondylitis program, Toronto Western Hospital, University of Toronto, Toronto, ON, Canada, ²Rheumatology, University of British Columbia, Vancouver, BC, Canada, ³Rheumatology, Toronto Western Hospital, University of Toronto, Toronto, ON, Canada, ⁴Rheumatology, Dokuz Eylul University School Of Medicine, Department Of Internal Medicine, Division Of Rheumatology, Izmir, Turkey, ⁵Department of Medical Imaging, University Health Network, Toronto, ON, Canada, ⁶Immunlogy and Institute of Medical Science, Toronto Western Hospital, University of Toronto, Toronto, ON, Canada, ⁷Rheumatology, Toronto Western Hospital, Toronto, ON, Canada
Background/Purpose: The diagnosis of ankylosing spondylitis (AS) is based on pelvic radiographs plagued by poor sensitivity, specificity, and reproducibility. Many AS patients, particularly those with…
Abstract Number: 1525 • 2015 ACR/ARHP Annual Meeting
Detection of Previous Tuberculosis Infections in Japanese Rheumatoid Arthritis Patients: Comparison of Two Interferon-G Releasing Assays and the Impact of CD4-Positive Lymphocytes
Shogo Banno¹, Shiho Iwagaitsu², Taio Naniwa³, Hironobu Nobata⁴, Hirokazu Imai⁴, Shinya Tamechika², Shinji Maeda² and Akio Niimi², ¹Rheumatology and Nephrology, Aichi Medical University School of Medicine, Aichi-prefecture, Japan, ²Allergy, Respiratory Medicine and Immunology, Nagoya City University Graduate School of Medical Science, Nagoya City, Japan, ³Allergy, Respiratory Medicine and Immunology, Nagoya City University Graduate School of Medical Science, Nagoya city, Japan, ⁴Rheumatology and Nephrology, Aichi Medical University School of Medicine, Nagakute City, Japan
Background/Purpose: We aimed to evaluate the performance of QFT-GIT and T-SPOT.TB assays to predict the risk of latent tuberculosis infection (LTBI) in Japanese rheumatoid arthritis…
Abstract Number: 1341 • 2015 ACR/ARHP Annual Meeting
Imaging Growing Joints By Diffraction Enhanced-Computed Tomography Using a Synchrotron Light Source
Alan M. Rosenberg¹, Glendon Rhoades², Dean Chapman³, George Belev⁴, Sheldon Wiebe³, David Cooper³, Adelaine Wong³ and Brian Eames³, ¹Department of Pediatrics, University of Saskatchewan, Saskatoon, SK, Canada, ²Biomedical Engineering, University of Saskatchewan, Saskatoon, SK, Canada, ³University of Saskatchewan, Saskatoon, SK, Canada, ⁴Canadian Light Source Inc, Ssasatoon, SK, Canada
Background/Purpose: This project developed a new method for evaluating growing joints by employing diffraction enhanced imaging (DEI) with computed tomography (CT) using a synchrotron light…
Abstract Number: 1337 • 2015 ACR/ARHP Annual Meeting
Pulmonary Computed Tomography Changes in Patients with Rheumatoid Arthritis
Alexandra Balbir-Gurman¹, Ludmila Guralnik², Mordehai Yigla³, Yolanda Braun-Moscovici⁴, Anna Astrahan⁵ and Emilia Hardak⁶, ¹B. Shine Rheumatology Unit, Rambam Health Care Campus, Rappaport Faculty of Medicine, Technion - Institute of Technology, Haifa, Israel, ²Department of Diagnostic Imaging, Rambam Health Care Campus, The Bruce Rappaport Faculty of Medicine, Technion-Institute of Technology, Haifa, Israel, ³Division of Pulmonary Medicine, Rambam Health Care Campus, The Bruce Rappaport Faculty of Medicine, Technion-Institute of Technology, Haifa, Israel, ⁴B Shine Department of Rheumatology, Rambam Health Care Campus,. Rappaport Faculty of Medicine, Technion, Haifa, Israel, ⁵Rappaport Faculty of Medicine-Technion, Israeli Institute of Technology, Haifa, Israel, ⁶Pulmonary Institute, Rambam Health Care Campus; Rappaport Faculty of Medicine-Technion, Israeli Institute of Technology, Haifa, Israel
Background/Purpose: Lung involvement in RA it is often diagnosed in advanced stage. Chest CT is the main modality for assessment of ILD. To analyze chest…
Abstract Number: 2998 • 2014 ACR/ARHP Annual Meeting
Screening for Interstitial Lung Disease in Systemic Sclerosis: Performance of High-Resolution Computed Tomography with Limited Number of Slices – a Prospective Study
Thomas Frauenfelder¹, Anna Winklehner¹, Thi Dan Linh Nguyen¹, Rucsandra Dobrota^2,3, Stephan Baumüller¹, Britta Maurer² and Oliver Distler², ¹Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, Zurich, Switzerland, ²Division of Rheumatology, University Hospital Zurich, Zurich, Switzerland, ³Department of Internal Medicine and Rheumatology, Dr.I.Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Background/Purpose Early diagnosis of interstitial lung disease (ILD), currently the main cause of death in systemic sclerosis (SSc), is needed. The gold standard is high…
Abstract Number: 2148 • 2014 ACR/ARHP Annual Meeting
Dual Energy CT Scanning: Variable Sensitivity for Gout in Non-Tophaceous and Tophaceous Disease and in Individual Erosions
Tracie Kurano¹, Uma Thakur², Gaurav Thawait³, Elliot Fishman⁴, Mara McAdams-DeMarco⁵, Janet W. Maynard⁶, Matthew Fuld⁷, John A. Carrino⁸ and Alan N. Baer⁹, ¹Medicine-Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, ²Musculoskeletal Radiology Section, Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, ³Musculoskeletal Radiology Section, Johns Hopkins University School of Medicine, Baltimore, MD, ⁴Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, ⁵Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, ⁶Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, ⁷Research Collaborations - Computed Tomography R&D, Siemens Medical Solutions USA, Inc., Baltimore, MD, ⁸Radiology, Hospital for Special Surgery, New York, NY, ⁹Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD
Background/Purpose: Dual energy computed tomography (DECT) is emerging as a diagnostic tool for gout, but its sensitivity has not been established. We assessed the sensitivity…
Abstract Number: 1784 • 2014 ACR/ARHP Annual Meeting
Prognostic Factors for Interstitial Lung Disease with Microscopic Polyangiitis
Takeshi Shoda, Tohru Takeuchi, Takaaki Ishida, Hideyuki Shiba, Youhei Fujiki, Daisuke Wakura, Shuzo Yoshida, Takuya Kotani, Shigeki Makino and Toshiaki Hanafusa, Department of Internal Medicine (I), Osaka medical college, Osaka, Japan
Background/Purpose Many patients with interstitial lung disease (ILD) complicated by microscopic polyangiitis (MPA) show a UIP pattern on chest CT. The prognosis is poorer than…
Abstract Number: 1224 • 2014 ACR/ARHP Annual Meeting
Pegloticase for Tophus Debulking: Comparison of Dual Energy Computerized Tomography (DECT), Musculoskeletal Ultrasound (MSK-US) and Topographic Caliper Measurement for Assessing Debulking Rate
Dodji Modjinou¹, Elaine Karis², Soterios Gyftopoulos³, Jonathan Samuels⁴, Robert T. Keenan⁵, Daisy Bang⁶, Kristen Lee⁴, Svetlana Krasnokutsky-Samuels⁷, Daria B. Crittenden⁸ and Michael H. Pillinger⁸, ¹Internal Medicine/Rheumatology, NYU/HJD, New York, NY, ²pending, pending, NY, ³Radiology, NYU Langone Medical Center/NYU Hospital for Joint Diseases, New York, NY, ⁴Rheumatology, NYU Langone Medical Center, New York, NY, ⁵Rheumatology, Duke University, Durham, NC, ⁶Division of Rheumatology, NYU School of Medicine, New York, NY, ⁷Rheumatology, NYU School of Medicine, New York, NY, ⁸NYU School of Medicine, Division of Rheumatology, New York, NY
Background/Purpose: Pegloticase is approved for lowering serum urate (sUA) in chronic refractory tophaceous gout (CRTG), but the rate of tophus resolution is not well defined,…
Abstract Number: 366 • 2013 ACR/ARHP Annual Meeting
Traditional Cardiac Risk Factors Predict Significant Coronary Plaque Burden In Asymptomatic Patients With Rheumatoid Arthritis
George A. Karpouzas¹, Jennifer Malpeso², Tae-Young Choi², Youngju Pak³ and Matthew Budoff², ¹Rheumatology, Harbor-UCLA Medical Center, Torrance, CA, ²Cardiology, Harbor-UCLA Medical Center, Torrance, CA, ³Biostatistics, Harbor-UCLA Medical Center, Torrance, CA
Background/Purpose: Computed tomography angiography (CTA) provides prognostic information in patients with suspected but unknown coronary artery disease (CAD); subjects without plaque had no incident major…
Abstract Number: 216 • 2013 ACR/ARHP Annual Meeting
Systematic Staging For Uric Acid Deposits With Dual-Energy Computed Tomography and Ultrasound In Suspected Gout
Wolfgang A. Schmidt¹ and Alexander Huppertz², ¹Med Ctr Rheumatology Berlin Buch, Immanuel Krankenhaus Berlin, Berlin, Germany, ²Imaging Science Institute Charité, Berlin, Germany
Background/Purpose: To evaluate the diagnostic accuracy of Dual-Energy Computed Tomography (DECT) and ultrasound for detecting monosodium urate crystal deposits in patients with clinically suspected gout.…
Abstract Number: 212 • 2013 ACR/ARHP Annual Meeting
Dual-Energy Computed Tomography for Monitoring of Urate Deposition in Tophaceous Gout: A Prospective Longitudinal Study Examining Sensitivity to Change
Ashwin Rajan¹, Opetaia Aati², Ramanamma Kalluru³, Gregory Gamble², Anne Horne², Anthony Doyle¹, Fiona M. McQueen⁴ and Nicola Dalbeth⁵, ¹University of Auckland, Auckland, New Zealand, ²Department of Medicine, University of Auckland, Auckland, New Zealand, ³Department of Rheumatology, Auckland District Health Board, Auckland, New Zealand, ⁴Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand, ⁵Medicine, University of Auckland, Auckland, New Zealand
Background/Purpose: Dual-energy computed tomography (DECT) is an advanced imaging method with potential for monitoring urate deposition in patients with gout. The aim of this prospective…
Abstract Number: 213 • 2013 ACR/ARHP Annual Meeting
Digital Tomosynthesis for Measurement of Bone Erosion in Gout: Comparison With Computed Tomography
Nicola Dalbeth¹, Anthony Doyle², Mark Roger³, Angela Gao⁴ and Fiona M. McQueen⁵, ¹Medicine, University of Auckland, Auckland, New Zealand, ²University of Auckland, Auckland, New Zealand, ³Department of Radiology, Auckland District Health Board, Auckland, New Zealand, ⁴Radiology, Auckland District Health Board, Auckland, New Zealand, ⁵Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
Background/Purpose: Digital tomosynthesis is a recently developed imaging method in which multiple projected images obtained at different angles are collected with a digital detector. These…
Abstract Number: 215 • 2013 ACR/ARHP Annual Meeting
Relationship Between Structural Joint Damage and Urate Deposition In Gout: A Site-By-Site Analysis Using Plain Radiography and Dual Energy Computed Tomography
Nicola Dalbeth¹, Opetaia Aati², Ramanamma Kalluru³, Anne Horne², Anthony Doyle⁴ and Fiona M. McQueen⁵, ¹Medicine, University of Auckland, Auckland, New Zealand, ²Department of Medicine, University of Auckland, Auckland, New Zealand, ³Department of Rheumatology, Auckland District Health Board, Auckland, New Zealand, ⁴University of Auckland, Auckland, New Zealand, ⁵Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
Background/Purpose: Structural joint damage, including erosion, joint space narrowing (JSN) and new bone formation (NBF), is frequently observed in patients with tophaceous gout. Although imaging…
Abstract Number: 1972 • 2013 ACR/ARHP Annual Meeting
Erosion Case Definition and Scoring Reliability Exercise Using a New Outcome Measurement Tool, High-Resolution Peripheral Quantitative Computed Tomography, In Rheumatoid Arthritis
Cheryl Barnabe¹, Dominique Toepfer², Hubert Marotte³, Ellen-Margrethe Hauge⁴, Andrea Scharmga⁵, Roland Kocijan⁶, Sebastian Kraus⁷, Kresten K. Keller⁴, Joost de Jong⁸, Jeroen Williams⁸ and Stephanie Finzel⁷, ¹Medicine, Community Health Sciences, University of Calgary, Calgary, AB, Canada, ²Institute of Medical Physics, University of Erlangen-Nuremberg, Erlangen, Germany, ³Rheumatology Department, University Hospital of Saint-Étienne, Inserm U1059, Saint-Etienne, France, ⁴Department of Rheumatology, Aarhus University Hospital, Aarhus, Denmark, ⁵Internal Medicine, Rheumatology, Maastricht University Medical Center, Maastricht, Netherlands, ⁶Academic Teaching Hospital of Medical University Vienna, Vienna, Austria, ⁷Dept of Medicine 3, Rheumatology and Clinical Immunology, University of Erlangen-Nuremberg, Erlangen, Germany, ⁸Maastricht University, Maastricht, Netherlands
Background/Purpose: High-resolution peripheral quantitative computed tomography (HR-pQCT) is a novel imaging instrument for bony damage in rheumatoid arthritis (RA). Agreement on a case definition for…
Abstract Number: 1973 • 2013 ACR/ARHP Annual Meeting
Importance Of Hand Positioning In 3D Joint Space Morphology Assessment
Stephanie Boutroy¹, Elodie Hirschenhahn¹, Emile Youssof², Hervé Locrelle², Thierry Thomas², Roland Chapurlat³ and Hubert Marotte², ¹INSERM U1033 and University of Lyon, Hôpital Edouard Herriot, Lyon, France, ²INSERM U1059 and University Hospital, Hôpital Nord, Saint-Etienne, France, ³INSERM UMR 1033 and University of Lyon, Hôpital Edouard Herriot, Lyon, France
Background/Purpose: Precise quantification of joint space morphology (JSM) is an important factor for early diagnosis and monitoring of disease activity and therapeutic responses in rheumatoid…