{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T07:05:27Z","timestamp":1790060727837,"version":"4.0.1"},"reference-count":22,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T00:00:00Z","timestamp":1789948800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T00:00:00Z","timestamp":1789948800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["arthroscopyjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To characterize the size of medial and lateral femoral condyle osteochondritis dissecans (OCD) lesions and their relation to the physis in skeletally immature patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Skeletally immature patients from 2008 to 2023 with medial or lateral femoral condyle OCD lesions on magnetic resonance imaging were included. At the center of each OCD lesion, 2 reviewers independently measured on coronal and sagittal cuts: (1) lesion depth, (2) shortest distance from subchondral bone to open physis, and (3) shortest distance from cartilage to open physis. Intraclass correlation coefficients for inter\u2010rater reliability and a mixed effects regression model were used to determine repeatability and between\u2010group differences.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 123 surgically treated knees from 101 patients were included. Among 82 medial lesions, mean lesion depth from the subchondral bone was 7.51\u2009mm [range 4.10\u201012.8], mean distance from subchondral bone\u2010to\u2010physis was 27.6\u2009mm [19.1\u201036.8], and mean distance from cartilage\u2010to\u2010physis was 30.3\u2009mm [21.9\u201038.1]. Subchondral bone\u2010to\u2010physis distance was smaller in women versus men (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u2009.026) and in patients under 13 versus over 13 (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u2009.006). For the 41 lateral OCD lesions, mean depth was 7.97\u2009mm [3.78\u201012.5], subchondral bone\u2010to\u2010physis was 21.4\u2009mm [14.8\u201026.5], and cartilage\u2010to\u2010physis distance was 24.4\u2009mm [19.0\u201028.7]. Subchondral bone\u2010to\u2010physis distance did not substantially differ between men and women (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u2009.560); however, subchondral bone\u2010to\u2010physis distance was smaller in those under versus over age 13 (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u2009.027). The mean distance between the OCD lesion base and the physis (safe zone) was 20.0\u2009mm [12.0\u201028.3] for medial lesions and 13.4\u2009mm [5.33\u201017.5] for lateral lesions.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>OCD lesion characteristics in skeletally immature knees vary by age, sex, and location with younger patients (&lt;13), female patients, and lateral lesions being closer to the physis than their counterparts. In our cohort, a drill or screw length of 16\u2009mm would allow complete lesion penetration while leaving a minimum 3\u2009mm safe zone.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level IV, retrospective case series.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/arj.70556","type":"journal-article","created":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T06:27:16Z","timestamp":1790058436000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Age, Sex, and Location Impact Osteochondritis Dissecans Lesion Depth and Their Relation to the Physis in Skeletally Immature Knees"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2226-4192","authenticated-orcid":false,"given":"Zoe D.","family":"Trutner","sequence":"first","affiliation":[{"name":"Department of Orthopaedics University of Utah  Salt Lake City Utah U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5360-732X","authenticated-orcid":false,"given":"Benjamin T.","family":"Johnson","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics University of Utah  Salt Lake City Utah U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-0423-2347","authenticated-orcid":false,"given":"Ameen Z.","family":"Khalil","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics University of Utah  Salt Lake City Utah U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0967-981X","authenticated-orcid":false,"given":"Devin L.","family":"Froerer","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics University of Utah  Salt Lake City Utah U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2634-9484","authenticated-orcid":false,"given":"Joseph","family":"Featherall","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics University of Utah  Salt Lake City Utah U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2306-7745","authenticated-orcid":false,"given":"Justin J.","family":"Ernat","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics University of Utah  Salt Lake City Utah U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5023-2657","authenticated-orcid":false,"given":"Travis G.","family":"Maak","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics University of Utah  Salt Lake City Utah U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6940-9865","authenticated-orcid":false,"given":"Stephen K.","family":"Aoki","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics University of Utah  Salt Lake City Utah U.S.A."},{"name":"Department of Orthopaedics Primary Children's Hospital  Salt Lake City Utah U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,21]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"crossref","first-page":"e296","DOI":"10.1097\/BPO.0000000000001158","article-title":"Childhood obesity is associated with osteochondritis dissecans of the knee, ankle, and elbow in children and adolescents","volume":"38","author":"Kessler JI","year":"2018","journal-title":"J Pediatr Orthop."},{"key":"e_1_2_7_3_1","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1177\/18632521221149054","article-title":"Osteochondritis 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