Abstracts tagged "Computed tomography (CT)"

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…
Abstract Number: 1975 • 2013 ACR/ARHP Annual Meeting
Cardiovascular Risk Stratification In Rheumatic Diseases : Carotid Ultrasound Is More Sensitive Than Coronary Artery Calcification Score To Detect Subclinical atherosclerosis In Patients With Rheumatoid Arthritis
Francisco Ortiz-Sanjuán¹, Alfonso Corrales², José Antonio Parra³, Carlos González-Juanatey⁴, Montserrat Santos⁵, Javier Rueda⁶, Ricardo Blanco⁷, Vanesa Calvo-Río⁸, Javier Loricera⁸, Javier Llorca⁹ and Miguel A González-Gay¹⁰, ¹Rheumatology, Hospital Universitario Marqués de Valdecilla. IFIMAV. Santander. Spain, Santander, Spain, ²Hospital Universitario Marqués de Valdecilla. IDIVAL. Santander. Spain, Santander, Spain, ³Radiology Division, Hospital Universitario Marqués de Valdecilla, Santander, Spain, ⁴Cardiology Division, Hospital Lucus Augusti, Lugo, Spain, ⁵Hospital Universitario Marqués de Valdecilla. IFIMAV. Santander. Spain, Santander, Spain, ⁶Rheumatology, Hospital Universitario Marqués de Valdecilla. IFIMAV, Santander, Spain, ⁷Hospital Marques de Valdecilla, Santander, Spain, ⁸Rheumatology, Hospital Universitario Marqués de Valdecilla. IDIVAL. Santander. Spain, Santander, Spain, ⁹Department of Epidemiology and Computational Biology, School of Medicine, University of Cantabria, and CIBER Epidemiología y Salud Pública (CIBERESP), Santander, Spain, ¹⁰Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain
Background/Purpose: Rheumatoid arthritis (RA) is a disease associated to accelerated atherogenesis leading to increased incidence of cardiovascular (CV) mortality. Adequate stratification of the CV risk…
Abstract Number: 1957 • 2013 ACR/ARHP Annual Meeting
Correlation Of Structural Abnormalities Of The Wrist and Metacarpophalangeal Joints Evaluated By High-Resolution Peripheral Quantitative Computed Tomography, 3 Tesla MRI and Conventional Radiographs In Rheumatoid Arthritis
Chan Hee Lee^1,2, Waraporn Srikhum^2,3, Andrew J. Burghardt⁴, Warapat Virayavanich^2,5, Thomas M. Link², John B. Imboden⁶ and Xiaojuan Li⁷, ¹Div Rheum Dept of Intl Med, NHIC Ilsan Hospital, Goyang-si, South Korea, ²Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, ³Department of Radiology, Thammasat University, Pathumthani, Thailand, ⁴Department of Radiology & Biomedical Imaging, Musculoskeletal Quantitative Imaging Research, UCSF, San Francisco, CA, ⁵Department of Radiology, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand, ⁶Department of Medicine, Division of Rheumatology, UCSF, San Francisco, CA, ⁷Department of Radiology and Biomedical Imaging, Musculoskeletal Quantitative Imaging Research, UCSF, San Francisco, CA
Background/Purpose: Early detection of joint inflammation and tissue damage are critical for patient management in rheumatoid arthritis (RA). High-resolution peripheral quantitative computed tomography (HR-pQCT) is…
Abstract Number: 1966 • 2013 ACR/ARHP Annual Meeting
Longitudinal Quantification Of Bone Erosions In Patients With Rheumatoid Arthritis Using High-Resolution Computed Tomography
Dominique Toepfer¹, Stephanie Finzel², Oleg Museyko¹, Georg Schett² and Klaus Engelke³, ¹Institute of Medical Physics, University of Erlangen-Nuremberg, Erlangen, Germany, ²Dept of Medicine 3, Rheumatology and Clinical Immunology, University of Erlangen-Nuremberg, Erlangen, Germany, ³Institute of Medical Physics, University of Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
Background/Purpose: Diagnosis and monitoring of patients with rheumatoid arthritis (RA) is based on radiographs or MRI, therefore the sensitivity to detect small changes of bone…
Abstract Number: 1785 • 2013 ACR/ARHP Annual Meeting
Structural Determinants Of Low Vertebral Strength In Pediatric Systemic Lupus Erythematosus
Jon M. Burnham¹, Babette S. Zemel¹, David C. Lee², Tony M. Keaveny³ and Mary Beth Leonard¹, ¹Pediatrics, The Children's Hospital of Philadelphia and the Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, ²O.N. Diagnostics, LLC, Berkeley, CA, ³Founder and Chief Science Officer, University of California, Berkeley, CA and O.N. Diagnostics, LLC, Berkeley, CA
Background/Purpose: Children with systemic lupus erythematosus (SLE) are at high risk for bone fragility. Studies in pediatric SLE using two-dimensional lumbar spine (LS) dual X-ray…
Abstract Number: 1115 • 2013 ACR/ARHP Annual Meeting
Prevalence Of Structural and Inflammatory Sacroiliitis, Assessed Using Computed Tomography and MR Imaging, In Inflammatory Bowel Disease: A Retrospective Study In 78 Patients
Sophie Leclerc-Jacob¹, Guillaume Lux², Anne Christine Rat¹, Valérie Laurent², Alain Blum², Isabelle Chary-Valckenaere¹, Laurent Peyrin-Biroulet³ and Damien Loeuille⁴, ¹Rheumatology, Nancy Teaching Hospital, Nancy, France, ²Radiology, Nancy Teaching Hospital, Nancy, France, ³Gastroenterology and Hepatology, Nancy Teaching Hospital, Nancy, France, ⁴Rheumatology, CHU Brabois, Vandoeuvre les Nancy, France
Background/Purpose: The primary objective was to assess the prevalence of structural and inflammatory sacroiliitis on computed tomography (CT) and MRI in inflammatory bowel disease (IBD).…
Abstract Number: 2586 • 2012 ACR/ARHP Annual Meeting
Tendon and Ligament Involvement in Gout: A Dual Energy Computed Tomography Study
Nicola Dalbeth¹, Ramanamma Kalluru², Opetaia Aati³, Fiona M. McQueen⁴ and Anthony Doyle⁵, ¹Medicine, University of Auckland, Auckland, New Zealand, ²Department of Rheumatology, Auckland District Health Board, Auckland, New Zealand, ³Department of Medicine, University of Auckland, Auckland, New Zealand, ⁴Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand, ⁵University of Auckland, Auckland, New Zealand
Background/Purpose: The involvement of bone and joints is widely recognized in gout. However, soft tissue involvement is less well defined. Dual energy computed tomography (DECT)…
Abstract Number: 2582 • 2012 ACR/ARHP Annual Meeting
Bone Anabolic Changes Progress in Psa Patients Despite Treatment with Methotrexate or Tumour Necrosis Factor Inhibitors
Stephanie Finzel¹, Sebastian Kraus¹, Sarah Schmidt¹, Axel J. Hueber², Juergen Rech³, Klaus Engelke⁴, Matthias Englbrecht¹ and Georg Schett¹, ¹Dept of Medicine 3, Rheumatology and Clinical Immunology, University of Erlangen-Nuremberg, Erlangen, Germany, ²Department of Internal Medicine 3 and Institute for Clinical Immunology, University of Erlangen-Nuremberg, Erlangen, Germany, ³Department of Internal Medicine 3, University of Erlangen-Nuremberg, Erlangen, Germany, ⁴Institute of Medical Physics, University of Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
Background/Purpose: To investigate whether methotrexate (MTX) or tumour necrosis factor inhibition (TNFi) affect osteophyte formation in patients with psoriatic arthritis (PsA). Methods: 41 patients with…
Abstract Number: 2583 • 2012 ACR/ARHP Annual Meeting
Bone Structure and Perfusion Quantification of Bone Marrow Edema and Pannus Tissue Areas in the Wrist of Patients with RA
Jose R. Teruel Antolin¹, Andrew J. Burghardt², Julien Rivoire¹, Waraporn Srikhum¹, Susan M. Noworolski³, Thomas M. Link¹, John B. Imboden⁴ and Xiaojuan Li⁵, ¹Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, ²Department of Radiology & Biomedical Imaging, Musculoskeletal Quantitative Imaging Research, UCSF, San Francisco, CA, ³Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, ⁴Department of Medicine, Division of Rheumatology, UCSF, San Francisco, CA, ⁵Department of Radiology and Biomedical Imaging, Musculoskeletal Quantitative Imaging Research, UCSF, San Francisco, CA
Background/Purpose: Bone marrow edema (BME) has been suggested as a strong predictor for erosive progression in RA joints, however, no previous studies examined the bone…
Abstract Number: 2584 • 2012 ACR/ARHP Annual Meeting
Quantitative and Semi-Quantitative Bone Erosion Assessment On High-Resolution Peripheral Quantitative Computed Tomography in Rheumatoid Arthritis
Waraporn Srikhum¹, Warapat Virayavanich¹, Andrew J. Burghardt², Andrew Yu¹, Thomas M. Link¹, John B. Imboden³ and Xiaojuan Li⁴, ¹Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, ²Department of Radiology & Biomedical Imaging, Musculoskeletal Quantitative Imaging Research, UCSF, San Francisco, CA, ³Department of Medicine, Division of Rheumatology, UCSF, San Francisco, CA, ⁴Department of Radiology and Biomedical Imaging, Musculoskeletal Quantitative Imaging Research, UCSF, San Francisco, CA
Background/Purpose: The goals of this project were (i) to develop novel quantitative and semiquantitative measures of bone erosions at the metacarpophalangeal (MCP) and wrist joints…

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