• 1
    Benjamin M, McGonagle D.The enthesis organ concept and its relevance to the spondyloarthropathies. Adv Exp Med Biol2009;649:5770.
  • 2
    D'Agostino MA, Olivieri I.Enthesitis. Best Pract Res Clin Rheumatol2006;20:47386.
  • 3
    McGonagle D, Wakefield RJ, Tan AL, D'Agostino MA, Toumi H, Hayashi K, et al.Distinct topography of erosion and new bone formation in Achilles tendon enthesitis: implications for understanding the link between inflammation and bone formation in spondylarthritis. Arthritis Rheum2008;58:26949.
  • 4
    D'Agostino MA, Palazzi C, Olivieri I.Entheseal involvement. Clin Exp Rheumatol2009;27 Suppl 55:S505.
  • 5
    McGonagle D, Gibbon W, Emery P.Classification of inflammatory arthritis by enthesitis. Lancet1998;352:113740.
  • 6
    Eshed I, Bollow M, McGonagle DG, Tan AL, Althoff CE, Asbach P, et al.MRI of enthesitis of the appendicular skeleton in spondyloarthritis. Ann Rheum Dis2007;66:15539.
  • 7
    McGonagle D, Gibbon W, O'Connor P, Green M, Pease C, Emery P.Characteristic magnetic resonance imaging entheseal changes of knee synovitis in spondylarthropathy. Arthritis Rheum1998;41:694700.
  • 8
    McGonagle D, Marzo-Ortega H, O'Connor P, Gibbon W, Pease C, Reece R, et al.The role of biomechanical factors and HLA–B27 in magnetic resonance imaging–determined bone changes in plantar fascia enthesopathy. Arthritis Rheum2002;46:48993.
  • 9
    Riente L, Delle Sedie A, Filippucci E, Iagnocco A, Meenagh G, Grassi W, et al.Ultrasound imaging for the rheumatologist IX: ultrasound imaging in spondyloarthritis. Clin Exp Rheumatol2007;25:34953.
  • 10
    Alcalde M, Acebes JC, Cruz M, Gonzalez-Hombrado L, Herrero-Beaumont G, Sanchez-Pernaute O.A sonographic enthesitic index of lower limbs is a valuable tool in the assessment of ankylosing spondylitis. Ann Rheum Dis2007;66:10159.
  • 11
    Balint PV, Kane D, Wilson H, McInnes IB, Sturrock RD.Ultrasonography of entheseal insertions in the lower limb in spondyloarthropathy. Ann Rheum Dis2002;61:90510.
  • 12
    Borman P, Koparal S, Babaoglu S, Bodur H.Ultrasound detection of entheseal insertions in the foot of patients with spondyloarthropathy. Clin Rheumatol2006;25:3737.
  • 13
    D'Agostino MA, Said-Nahal R, Hacquard-Bouder C, Brasseur JL, Dougados M, Breban M.Assessment of peripheral enthesitis in the spondylarthropathies by ultrasonography combined with power Doppler: a cross-sectional study. Arthritis Rheum2003;48:52333.
  • 14
    De Miguel E, Cobo T, Munoz-Fernandez S, Naredo E, Uson J, Acebes JC, et al.Validity of enthesis ultrasound assessment in spondyloarthropathy. Ann Rheum Dis2009;68:16974.
  • 15
    Lehtinen A, Leirisalo-Repo M, Taavitsainen M.Persistence of enthesopathic changes in patients with spondylarthropathy during a 6-month follow-up. Clin Exp Rheumatol1995;13:7336.
  • 16
    Morel M, Boutry N, Demondion X, Legroux-Gerot I, Cotten H, Cotten A.Normal anatomy of the heel entheses: anatomical and ultrasonographic study of their blood supply. Surg Radiol Anat2005;27:17683.
  • 17
    D'Agostino MA, Aegerter P, Jousse-Joulin S, Chary-Valckenaere I, Lecoq B, Gaudin P, et al.How to evaluate and improve the reliability of power Doppler ultrasonography for assessing enthesitis in spondylarthritis. Arthritis Rheum2009;61:619.
  • 18
    D'Agostino M, Said-Nahal R, Dougados M, Breban M.Interest of ultrasonography (US) to monitor the effect of anti-TNF α treatment in patients with severe spondylarthropathies (SPA) [abstract]. Arthritis Rheum2001;44 Suppl:S95.
  • 19
    Filippucci E, Aydin SZ, Karadag O, Salaffi F, Gutierrez M, Direskeneli H, et al.Reliability of high-resolution ultrasonography in the assessment of Achilles tendon enthesopathy in seronegative spondyloarthropathies. Ann Rheum Dis2009;68:18505.
  • 20
    Naredo E, Batlle-Gualda E, Garcia-Vivar ML, Garcia-Aparicio AM, Fernandez-Sueiro JL, Fernandez-Prada M, et al.Power Doppler ultrasonography assessment of entheses in spondyloarthropathies: response to therapy of entheseal abnormalities. J Rheumatol2010;37:21107.
  • 21
    D'Agostino MA, Aegerter P, Bechara K, Salliot C, Judet O, Chimenti MS, et al.How to diagnose spondyloarthritis early? Accuracy of peripheral enthesitis detection by power Doppler ultrasonography. Ann Rheum Dis2011;70:143340.
  • 22
    De Miguel E, Munoz-Fernandez S, Castillo C, Cobo-Ibanez T, Martin-Mola E.Diagnostic accuracy of enthesis ultrasound in the diagnosis of early spondyloarthritis. Ann Rheum Dis2011;70:4349.
  • 23
    Gorce JM, Arditi M, Schneider M.Influence of bubble size distribution on the echogenicity of ultrasound contrast agents: a study of SonoVue. Invest Radiol2000;35:66171.
  • 24
    Kim AY, Choi BI, Kim TK, Kim KW, Lee JY, Han JK.Comparison of contrast-enhanced fundamental imaging, second-harmonic imaging, and pulse-inversion harmonic imaging. Invest Radiol2001;36:5828.
  • 25
    Claudon M, Cosgrove D, Albrecht T, Bolondi L, Bosio M, Calliada F, et al.Guidelines and good clinical practice recommendations for contrast enhanced ultrasound (CEUS): update 2008. Ultraschall Med2008;29:2844.
  • 26
    Carotti M, Salaffi F, Manganelli P, Salera D, Simonetti B, Grassi W.Power Doppler sonography in the assessment of synovial tissue of the knee joint in rheumatoid arthritis: a preliminary experience. Ann Rheum Dis2002;61:87782.
  • 27
    Klauser A, Frauscher F, Schirmer M, Halpern E, Pallwein L, Herold M, et al.The value of contrast-enhanced color Doppler ultrasound in the detection of vascularization of finger joints in patients with rheumatoid arthritis. Arthritis Rheum2002;46:64753.
  • 28
    Dougados M, Baeten D.Spondyloarthritis. Lancet2011;377:212737.
  • 29
    Escalas C, Trijau S, Dougados M.Evaluation of the treatment effect of NSAIDs/TNF blockers according to different domains in ankylosing spondylitis: results of a meta-analysis. Rheumatology (Oxford)2010;49:131725.
  • 30
    Van der Heijde D, Baraf HS, Ramos-Remus C, Calin A, Weaver AL, Schiff M, et al.Evaluation of the efficacy of etoricoxib in ankylosing spondylitis: results of a fifty-two–week, randomized, controlled study. Arthritis Rheum2005;52:120515.
  • 31
    Wanders A, Landewe R, Dougados M, Mielants H, van der Linden S, van der Heijde D.Association between radiographic damage of the spine and spinal mobility for individual patients with ankylosing spondylitis: can assessment of spinal mobility be a proxy for radiographic evaluation? Ann Rheum Dis2005;64:98894.
  • 32
    Rudwaleit M, van der Heijde D, Landewe R, Listing J, Akkoc N, Brandt J, et al.The development of Assessment of SpondyloArthritis international Society classification criteria for axial spondyloarthritis (part II): validation and final selection. Ann Rheum Dis2009;68:77783.
  • 33
    Van der Linden S, Valkenburg HA, Cats A.Evaluation of diagnostic criteria for ankylosing spondylitis: a proposal for modification of the New York criteria. Arthritis Rheum1984;27:3618.
  • 34
    Garrett S, Jenkinson T, Kennedy LG, Whitelock H, Gaisford P, Calin A.A new approach to defining disease status in ankylosing spondylitis: the Bath Ankylosing Spondylitis Disease Activity Index. J Rheumatol1994;21:228691.
  • 35
    Mander M, Simpson JM, McLellan A, Walker D, Goodacre JA, Dick WC.Studies with an enthesis index as a method of clinical assessment in ankylosing spondylitis. Ann Rheum Dis1987;46:197202.
  • 36
    Cosgrove D.Ultrasound contrast agents: an overview. Eur J Radiol2006;60:32430.
  • 37
    Aydin SZ, Karadag O, Filippucci E, Atagunduz P, Akdogan A, Kalyoncu U, et al.Monitoring Achilles enthesitis in ankylosing spondylitis during TNF-alpha antagonist therapy: an ultrasound study. Rheumatology (Oxford)2010;49:57882.
  • 38
    Zayat AS, Conaghan PG, Sharif M, Freeston JE, Wenham C, Hensor EM, et al.Do non-steroidal anti-inflammatory drugs have a significant effect on detection and grading of ultrasound-detected synovitis in patients with rheumatoid arthritis? Results from a randomised study. Ann Rheum Dis2011;70:174651.
  • 39
    Van der Heijde D, Dijkmans B, Geusens P, Sieper J, DeWoody K, Williamson P, et al, and the Ankylosing Spondylitis Study for the Evaluation of Recombinant Infliximab Therapy Study Group.Efficacy and safety of infliximab in patients with ankylosing spondylitis: results of a randomized, placebo-controlled trial (ASSERT). Arthritis Rheum2005;52:58291.