{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T05:18:44Z","timestamp":1784697524070,"version":"3.55.0"},"reference-count":57,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2020,6,1]],"date-time":"2020-06-01T00:00:00Z","timestamp":1590969600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2020,6,1]],"date-time":"2020-06-01T00:00:00Z","timestamp":1590969600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["academicradiology.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Academic Radiology"],"published-print":{"date-parts":[[2020,6]]},"DOI":"10.1016\/j.acra.2019.08.015","type":"journal-article","created":{"date-parts":[[2019,9,14]],"date-time":"2019-09-14T00:21:38Z","timestamp":1568420498000},"page":"e148-e157","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":10,"title":["Evaluation of Postoperative Changes in Patellar and Quadriceps Tendons after Total Knee Arthroplasty\u2013A Comprehensive Analysis by Shear Wave Elastography, Power Doppler and B-mode Ultrasound"],"prefix":"10.1016","volume":"27","author":[{"given":"Valentin","family":"Quack","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcel","family":"Betsch","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julian","family":"Hellmann","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J\u00f6rg","family":"Eschweiler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simone","family":"Schrading","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"Gatz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bj\u00f6rn","family":"Rath","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markus","family":"Tingart","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markus","family":"Laubach","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christiane K.","family":"Kuhl","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timm","family":"Dirrichs","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.acra.2019.08.015_bib0001","doi-asserted-by":"crossref","first-page":"548","DOI":"10.1111\/joa.12164","article-title":"3-D ultrastructure and collagen composition of healthy and overloaded human tendon: evidence of tenocyte and matrix buckling","volume":"224","author":"Pingel","year":"2014","journal-title":"J Anat"},{"key":"10.1016\/j.acra.2019.08.015_bib0002","first-page":"115","article-title":"Overload and neovascularization of Achilles tendons in young artistic and rhythmic gymnasts compared with controls: an observational study","volume":"98","author":"Notarnicola","year":"2014","journal-title":"Musculoskelet Surg"},{"key":"10.1016\/j.acra.2019.08.015_bib0003","doi-asserted-by":"crossref","first-page":"1026","DOI":"10.1136\/bjsports-2011-090342","article-title":"Incidence of midportion Achilles tendinopathy in the general population","volume":"45","author":"de Jonge","year":"2011","journal-title":"Br J Sports Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0004","doi-asserted-by":"crossref","first-page":"3217","DOI":"10.1034\/j.1600-0838.2001.110602.x","article-title":"Asymptomatic hypoechoic regions on patellar tendon ultrasound: a 4-year clinical and ultrasound follow-up of 46 tendons","volume":"11","author":"Cook","year":"2001","journal-title":"Scand J Med Sci Sports"},{"key":"10.1016\/j.acra.2019.08.015_bib0005","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1016\/j.math.2009.05.008","article-title":"Ultrasonographically detected changes in Achilles tendons and self-reported symptoms in elite gymnasts compared with controls an observational study","volume":"15","author":"Emerson","year":"2010","journal-title":"Man Ther"},{"key":"10.1016\/j.acra.2019.08.015_bib0006","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1111\/sms.12191","article-title":"Ultrasound characteristics of the patellar and quadriceps tendons among young elite athletes","volume":"25","author":"Visnes","year":"2015","journal-title":"Scand J Med Sci Sports"},{"key":"10.1016\/j.acra.2019.08.015_bib0007","doi-asserted-by":"crossref","first-page":"1204","DOI":"10.1016\/j.acra.2016.05.012","article-title":"Shear Wave Elastography (SWE) for the Evaluation of Patients with Tendinopathies","volume":"23","author":"Dirrichs","year":"2016","journal-title":"Acad Radiol"},{"key":"10.1016\/j.acra.2019.08.015_bib0008","doi-asserted-by":"crossref","first-page":"389","DOI":"10.1007\/s00256-010-0918-0","article-title":"Elastography: modality-specific approaches, clinical applications, and research horizons","volume":"40","author":"Li","year":"2011","journal-title":"Skeletal Radiol"},{"key":"10.1016\/j.acra.2019.08.015_bib0009","doi-asserted-by":"crossref","first-page":"1541","DOI":"10.1007\/s00256-016-2470-z","article-title":"Comparison of shear wave velocity measurements assessed with two different ultrasound systems in an ex-vivo tendon strain phantom","volume":"45","author":"Rosskopf","year":"2016","journal-title":"Skeletal Radiol"},{"key":"10.1016\/j.acra.2019.08.015_bib0010","doi-asserted-by":"crossref","first-page":"565","DOI":"10.7863\/ultra.16.03032","article-title":"Shear wave elastography is a reliable and repeatable method for measuring the elastic modulus of the rectus femoris muscle and patellar tendon","volume":"36","author":"Tas","year":"2017","journal-title":"J Ultrasound Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0011","doi-asserted-by":"crossref","first-page":"e3592","DOI":"10.7717\/peerj.3592","article-title":"Sonographic evaluation of the immediate effects of eccentric heel drop exercise on Achilles tendon and gastrocnemius muscle stiffness using shear wave elastography","volume":"5","author":"Leung","year":"2017","journal-title":"PeerJ"},{"key":"10.1016\/j.acra.2019.08.015_bib0012","doi-asserted-by":"crossref","first-page":"1201","DOI":"10.1111\/sms.12986","article-title":"Achilles and patellar tendinopathy display opposite changes in elastic properties: a shear wave elastography study","volume":"28","author":"Coombes","year":"2018","journal-title":"Scand J Med Sci Sports"},{"key":"10.1016\/j.acra.2019.08.015_bib0013","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1016\/j.acra.2017.09.011","article-title":"Shear Wave Elastography (SWE) for monitoring of treatment of Tendinopathies: a double-blinded, Longitudinal Clinical Study","volume":"25","author":"Dirrichs","year":"2018","journal-title":"Acad Radiol"},{"key":"10.1016\/j.acra.2019.08.015_bib0014","doi-asserted-by":"crossref","first-page":"485","DOI":"10.1111\/j.1469-8749.2011.03950.x","article-title":"What are the long-term consequences of botulinum toxin injections in spastic cerebral palsy?","volume":"53","author":"Barrett","year":"2011","journal-title":"Dev Med Child Neurol"},{"key":"10.1016\/j.acra.2019.08.015_bib0015","doi-asserted-by":"crossref","first-page":"708","DOI":"10.1002\/jmri.21073","article-title":"Thigh muscle stiffness assessed with magnetic resonance elastography in hyperthyroid patients before and after medical treatment","volume":"26","author":"Bensamoun","year":"2007","journal-title":"J Magn Reson Imaging"},{"key":"10.1016\/j.acra.2019.08.015_bib0016","doi-asserted-by":"crossref","first-page":"605","DOI":"10.1111\/j.1469-7793.2001.0605a.x","article-title":"Muscle and joint elastic properties during elbow flexion in Duchenne muscular dystrophy","volume":"533","author":"Cornu","year":"2001","journal-title":"J Physiol"},{"key":"10.1016\/j.acra.2019.08.015_bib0017","doi-asserted-by":"crossref","first-page":"449","DOI":"10.7863\/jum.2013.32.3.449","article-title":"Shear wave elastographic characterization of normal and torn Achilles tendons: a pilot study","volume":"32","author":"Chen","year":"2013","journal-title":"J Ultrasound Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0018","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1002\/mus.24104","article-title":"Muscle shear modulus measured with ultrasound shear-wave elastography across a wide range of contraction intensity","volume":"50","author":"Yoshitake","year":"2014","journal-title":"Muscle Nerve"},{"key":"10.1016\/j.acra.2019.08.015_bib0019","doi-asserted-by":"crossref","first-page":"163","DOI":"10.2106\/00004623-199802000-00003","article-title":"Health related quality of life after knee replacement","volume":"80","author":"Hawker","year":"1998","journal-title":"J Bone Joint Surg AM"},{"key":"10.1016\/j.acra.2019.08.015_bib0020","doi-asserted-by":"crossref","first-page":"506","DOI":"10.1302\/0301-620X.82B4.0820506","article-title":"Ten-year survival of the cemented Freeman Samuelson primary knee arthroplasty. Data from the Swedish Knee Register and the Royal London Hospital","volume":"82","author":"Robertsson","year":"2000","journal-title":"J Bone Joint Surg Br"},{"key":"10.1016\/j.acra.2019.08.015_bib0021","doi-asserted-by":"crossref","first-page":"156","DOI":"10.2106\/JBJS.M.00372","article-title":"Intermediate and long-term quality of life after total knee replacement: a systematic review and meta-analysis","volume":"97","author":"Shan","year":"2015","journal-title":"J Bone Joint Surg Am"},{"key":"10.1016\/j.acra.2019.08.015_bib0022","doi-asserted-by":"crossref","first-page":"858","DOI":"10.1007\/s00132-013-2117-x","article-title":"Satisfaction after total knee arthroplasty. Comparison of 1990\u20131999 with 2000\u20132012","volume":"42","author":"Schulze","year":"2013","journal-title":"Orthop\u00e4de"},{"key":"10.1016\/j.acra.2019.08.015_bib0023","doi-asserted-by":"crossref","first-page":"1145","DOI":"10.1016\/j.arth.2010.12.013","article-title":"The natural history of anterior knee pain in 2 posterior- stabilized, modular total knee arthroplasty designs","volume":"26","author":"Meftah","year":"2011","journal-title":"J Arthroplasty"},{"key":"10.1016\/j.acra.2019.08.015_bib0024","doi-asserted-by":"crossref","first-page":"1475","DOI":"10.1016\/j.arth.2011.01.016","article-title":"Patellofemoral function after total knee arthroplasty: gender-related differences","volume":"26","author":"Sensi","year":"2011","journal-title":"J Arthroplasty"},{"key":"10.1016\/j.acra.2019.08.015_bib0025","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1097\/00003086-199301000-00040","article-title":"Staging of patellar tendon autograft healing after posterior cruciate ligament reconstruction. A biomechanical and histological study in a sheep model","volume":"286","author":"Kasperczyk","year":"1993","journal-title":"Clin Orthop"},{"key":"10.1016\/j.acra.2019.08.015_bib0026","doi-asserted-by":"crossref","first-page":"252","DOI":"10.1186\/ar416","article-title":"The vasculature and its role in the damaged and healing tendon","volume":"4","author":"Fenwick","year":"2002","journal-title":"Arthritis Res"},{"key":"10.1016\/j.acra.2019.08.015_bib0027","first-page":"1022","article-title":"Reliability of pain scales in the assessment of literate and illiterate patients with rheumatoid arthritis","volume":"17","author":"Ferraz","year":"1990","journal-title":"J Rheumatol"},{"key":"10.1016\/j.acra.2019.08.015_bib0028","doi-asserted-by":"crossref","unstructured":"Hawker GA, Mian S, Kendzerska T, et al. Measures of adult pain: Visual Analog Scale for Pain (VAS Pain), Numeric Rating Scale for Pain (NRS Pain), McGill Pain Questionnaire (MPQ), Short-Form McGill Pain Questionnaire (SF-MPQ), Chronic Pain Grade Scale (CPGS), Short Form-36 Bodily Pain Scale (SF-36 BPS), and Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP)Arthritis Care Res 2011;63(Suppl 11):240\u2013252.","DOI":"10.1002\/acr.20543"},{"key":"10.1016\/j.acra.2019.08.015_bib0029","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1097\/00003086-198911000-00004","article-title":"Rationale of the Knee Society clinical rating system","author":"Insall","year":"1989","journal-title":"Clin Orthop Relat Res"},{"key":"10.1016\/j.acra.2019.08.015_bib0030","doi-asserted-by":"crossref","first-page":"40","DOI":"10.1097\/00042752-199701000-00008","article-title":"Anterior knee pain: a review","volume":"7","author":"Cutbill","year":"1997","journal-title":"Clin J Sport Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0031","doi-asserted-by":"crossref","first-page":"379","DOI":"10.1016\/j.csm.2010.03.012","article-title":"Patellofemoral pain syndrome","volume":"29","author":"Collado","year":"2010","journal-title":"Clin Sports Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0032","doi-asserted-by":"crossref","first-page":"838","DOI":"10.1136\/bjsm.2005.018416","article-title":"Partial rupture of the proximal Achilles tendon: a differential diagnostic problem in ultrasound imaging","volume":"39","author":"Kayser","year":"2005","journal-title":"Br J Sports Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0033","doi-asserted-by":"crossref","first-page":"173","DOI":"10.2214\/AJR.09.3111","article-title":"Achilles tendon ultrasound technique","volume":"193","author":"Dong","year":"2009","journal-title":"AJR Am J Roentgenol"},{"key":"10.1016\/j.acra.2019.08.015_bib0034","doi-asserted-by":"crossref","first-page":"472","DOI":"10.1177\/0141076809701004","article-title":"Achilles tendinopathy: aetiology and management","volume":"97","author":"Maffulli","year":"2004","journal-title":"J R Soc Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0035","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1136\/bjsm.36.3.173","article-title":"Ultrasound guided sclerosis of neovessels in painful chronic Achilles tendinosis: pilot study of a new treatment","volume":"36","author":"Ohberg","year":"2002","journal-title":"Br J Sports Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0036","doi-asserted-by":"crossref","first-page":"1696","DOI":"10.1177\/0363546507303116","article-title":"The value of power Doppler ultrasonography in Achilles tendinopathy: a prospective study","volume":"35","author":"de Vos","year":"2007","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0037","doi-asserted-by":"crossref","first-page":"89","DOI":"10.1136\/bjsports-2012-091303","article-title":"The prevalence and clinical significance of sonographic tendon abnormalities in asymptomatic ballet dancers: a 24-month longitudinal study","volume":"47","author":"Comin","year":"2013","journal-title":"Br J Sports Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0038","doi-asserted-by":"crossref","first-page":"1891","DOI":"10.1007\/s00167-012-2172-6","article-title":"Neovascularization in Achilles tendinopathy: have we been chasing a red herring?","volume":"20","author":"Tol","year":"2012","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.acra.2019.08.015_bib0039","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1007\/s001670000189","article-title":"Neovascularisation in Achilles tendons with painful tendinosis but not in normal tendons: an ultraso- nographic investigation","volume":"9","author":"Ohberg","year":"2001","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.acra.2019.08.015_bib0040","doi-asserted-by":"crossref","first-page":"334","DOI":"10.1007\/s00167-003-0391-6","article-title":"Is vasculo-neural ingrowth the cause of pain in chronic Achilles tendinosis? An investigation using ultrasonography and colour Doppler, immunohistochemistry, and diagnostic injections","volume":"11","author":"Alfredson","year":"2003","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.acra.2019.08.015_bib0041","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1249\/MSS.0b013e31822b7318","article-title":"Prognostic value of Achilles tendon Doppler sonography in asymptomatic runners","volume":"44","author":"Hirschm\u00fcller","year":"2012","journal-title":"Med Sci Sports Exerc"},{"key":"10.1016\/j.acra.2019.08.015_bib0042","doi-asserted-by":"crossref","first-page":"463","DOI":"10.1111\/j.1600-0838.2005.00512.x","article-title":"Tendinopathy and Doppler activity: the vascular response of the Achilles tendon to exercise","volume":"16","author":"Boesen","year":"2006","journal-title":"Scand J Med Sci Sports"},{"key":"10.1016\/j.acra.2019.08.015_bib0043","doi-asserted-by":"crossref","first-page":"548","DOI":"10.1177\/0363546511435478","article-title":"Associations between abnormal ultrasound color Doppler measures and tendon pain symptoms in badminton players during a season: a prospective cohort study","volume":"40","author":"Boesen","year":"2012","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0044","doi-asserted-by":"crossref","first-page":"2259","DOI":"10.1007\/s00167-014-3028-z","article-title":"Sclerosing injections and ultrasound-guided arthroscopic shaving for patellar tendinopathy: good clinical results and decreased tendon thickness after surgery-a medium-term follow-up study","volume":"23","author":"Sunding","year":"2015","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.acra.2019.08.015_bib0045","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1136\/bjsm.36.3.173","article-title":"Ultrasound guided sclerosis of neovessels in painful chronic Achilles tendinosis: pilot study of a new treatment","volume":"36","author":"Ohberg","year":"2002","journal-title":"Br J Sports Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0046","article-title":"Injection therapies for Achilles tendinopathy","volume":"26","author":"Kearney","year":"2015","journal-title":"Cochrane Database Syst Rev"},{"key":"10.1016\/j.acra.2019.08.015_bib0047","doi-asserted-by":"crossref","first-page":"88","DOI":"10.11138\/mltj\/2017.7.1.088","article-title":"Topical polidocanol application in combination with static stretching in tendinopathies: a prospective pilot study","volume":"7","author":"Gatz","year":"2017","journal-title":"Muscles Ligaments Tendons J"},{"key":"10.1016\/j.acra.2019.08.015_bib0048","doi-asserted-by":"crossref","first-page":"2899","DOI":"10.1016\/j.ultrasmedbio.2015.07.008","article-title":"Reduced patellar tendon elasticity with aging: in vivo assessment by shear wave elastography","volume":"41","author":"Hsiao","year":"2015","journal-title":"Ultrasound Med Biol"},{"key":"10.1016\/j.acra.2019.08.015_bib0049","doi-asserted-by":"crossref","first-page":"565","DOI":"10.7863\/ultra.16.03032","article-title":"Shear wave elastography is a reliable and repeatable method for measuring the elastic modulus of the rectus femoris muscle and patellar tendon","volume":"36","author":"Tas","year":"2017","journal-title":"J Ultrasound Med"},{"issue":"1","key":"10.1016\/j.acra.2019.08.015_bib0050","doi-asserted-by":"crossref","first-page":"2","DOI":"10.14366\/usg.18039","article-title":"Clinical utilization of shear wave elastography in the musculoskeletal system","volume":"38","author":"Davis","year":"2019","journal-title":"Ultrasonography"},{"key":"10.1016\/j.acra.2019.08.015_bib0051","doi-asserted-by":"crossref","first-page":"581","DOI":"10.1055\/s-0032-1325526","article-title":"Sonoelastography can be used to monitor the restoration of Achilles tendon elasticity after injury","volume":"33","author":"Gehmert","year":"2012","journal-title":"Ultraschall Med"},{"key":"10.1016\/j.acra.2019.08.015_bib0052","doi-asserted-by":"crossref","first-page":"408","DOI":"10.1148\/radiol.2016160695","article-title":"Quantitative US elastography can be used to quantify mechanical and histologic tendon healing in a rabbit model of Achilles tendon transection","volume":"283","author":"Yamamoto","year":"2017","journal-title":"Radiology"},{"key":"10.1016\/j.acra.2019.08.015_bib0053","article-title":"Changes in morphological and elastic properties of patellar tendon in athletes with unilateral patellar tendinopathy and their relationships with pain and functional disability","volume":"9","author":"Zhang","year":"2014","journal-title":"PLoS One"},{"key":"10.1016\/j.acra.2019.08.015_bib0054","doi-asserted-by":"crossref","first-page":"386","DOI":"10.1007\/s00132-016-3256-7","article-title":"Anterior knee pain after total knee arthroplasty: Causes, diagnosis and treatment","volume":"45","author":"Michalik","year":"2016","journal-title":"Orthopade"},{"key":"10.1016\/j.acra.2019.08.015_bib0055","first-page":"1533","article-title":"Preoperative quadriceps strength predicts functional ability one year after total knee arthroplasty","volume":"32","author":"Mizner","year":"2005","journal-title":"J Rheumatol"},{"key":"10.1016\/j.acra.2019.08.015_bib0056","doi-asserted-by":"crossref","first-page":"424","DOI":"10.2519\/jospt.2005.35.7.424","article-title":"Snyder-Mackler L Quadriceps strength and the time course of functional recovery after total knee arthroplasty","volume":"35","author":"Mizner","year":"2005","journal-title":"J Orthop Sports Phys Ther"},{"key":"10.1016\/j.acra.2019.08.015_bib0057","doi-asserted-by":"crossref","first-page":"235","DOI":"10.1016\/j.jbiomech.2009.08.043","article-title":"Zhang LQ In vivo patellar tracking induced by individual quadriceps components in individuals with patellofemoral pain","volume":"43","author":"Lin","year":"2010","journal-title":"J Biomech"}],"container-title":["Academic Radiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1076633219304222?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1076633219304222?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,21]],"date-time":"2025-10-21T08:48:01Z","timestamp":1761036481000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1076633219304222"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,6]]},"references-count":57,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2020,6]]}},"alternative-id":["S1076633219304222"],"URL":"https:\/\/doi.org\/10.1016\/j.acra.2019.08.015","relation":{},"ISSN":["1076-6332"],"issn-type":[{"value":"1076-6332","type":"print"}],"subject":[],"published":{"date-parts":[[2020,6]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Evaluation of Postoperative Changes in Patellar and Quadriceps Tendons after Total Knee Arthroplasty\u2013A Comprehensive Analysis by Shear Wave Elastography, Power Doppler and B-mode Ultrasound","name":"articletitle","label":"Article Title"},{"value":"Academic Radiology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.acra.2019.08.015","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2019 The Association of University Radiologists. Published by Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}