{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T14:58:50Z","timestamp":1782140330070,"version":"3.54.5"},"reference-count":32,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2017,11,9]],"date-time":"2017-11-09T00:00:00Z","timestamp":1510185600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000038","name":"Natural Sciences and Engineering Research Council of Canada","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000038","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008777","name":"Minist\u00e8re de l'Agriculture, des P\u00eacheries et de l'Alimentation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008777","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["beva.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Equine Veterinary Journal"],"published-print":{"date-parts":[[2018,5]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>\n                      Extensive osteochondritis dissecans (\n                      <jats:styled-content style=\"fixed-case\">OCD<\/jats:styled-content>\n                      ) lesions of the lateral ridge of the trochlea of the femur (\n                      <jats:styled-content style=\"fixed-case\">LRTF<\/jats:styled-content>\n                      ), the most common\n                      <jats:styled-content style=\"fixed-case\">OCD<\/jats:styled-content>\n                      \u2010affected site in the stifle, have a poor outcome with surgical debridement and can be career ending. The early detection of osteochondrosis lesions and their conservative management holds the promise to enhance outcome. We hypothesise that ultrasonography is a valuable field screening tool to detect and monitor early subclinical\n                      <jats:styled-content style=\"fixed-case\">LRTF<\/jats:styled-content>\n                      osteochondrosis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>\n                      The goals were to 1) describe the normal ultrasonographic features of the\n                      <jats:styled-content style=\"fixed-case\">LRTF<\/jats:styled-content>\n                      in foals of different ages and 2) screen a foal cohort at the farm for early subclinical osteochondrosis lesions.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study design<\/jats:title>\n                    <jats:p>Prospective cohort study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      The\n                      <jats:styled-content style=\"fixed-case\">LRTF<\/jats:styled-content>\n                      of both hindlimbs of Thoroughbred foals (n = 46, 27\u2013166 days old) were imaged once with ultrasonography and radiography (lateromedial and caudolateral\u2010craniomedial oblique views). Cartilage thickness, ossification front indentation of the chondro\u2010osseous junction and epiphyseal vascularisation were assessed on ultrasonography. Follow\u2010up radiographs were taken as yearlings.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The cartilage thickness, ossification front indentation and epiphyseal vascularisation significantly decreased with advancing maturity. Subclinical osteochondrosis lesions, characterised by semicircular indentations in the ossification front (indirect evidence of focal failure of ossification and retained cartilage) were detected in six foals (28\u2013145 days old), both with radiography and ultrasonography. Ultrasonography provided a better overall subjective assessment of the osteochondrosis lesion topography (length, depth and the width) compared with radiography.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main limitations<\/jats:title>\n                    <jats:p>Post\u2010mortem validation of lesions was not possible.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      Ultrasonography of the\n                      <jats:styled-content style=\"fixed-case\">LRTF<\/jats:styled-content>\n                      is a practical, inexpensive and reliable technique to discriminate physiological from pathological events at the\n                      <jats:styled-content style=\"fixed-case\">LRTF<\/jats:styled-content>\n                      in young foals. It revealed the complex topography of the chondro\u2010osseous junction permitting a rapid, comprehensive assessment of the subclinical osteochondrosis lesions in very young foals.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/evj.12772","type":"journal-article","created":{"date-parts":[[2017,10,17]],"date-time":"2017-10-17T08:16:59Z","timestamp":1508228219000},"page":"312-320","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Ultrasonographic screening for subclinical osteochondrosis of the femoral trochlea in foals (28\u2013166 days old): a prospective farm study"],"prefix":"10.1111","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3449-1162","authenticated-orcid":false,"given":"G.","family":"Martel","sequence":"first","affiliation":[{"name":"Comparative Orthopedic Research Laboratory Department of Clinical Sciences Faculty of Veterinary Medicine University of 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