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Alpha angle (AA) was measured on preoperative anteroposterior (AP) and 90\u00b0 Dunn radiographs. Patients with AA &gt;60\u00b0 on Dunn view but not AP view (no lateral impingement) were propensity matched by sex, age, and body mass index in a 1:3 ratio to patients with AA &gt;60\u00b0 on both views (lateral impingement). Demographic characteristics, radiographic and intraoperative findings, reoperation rates, and patient\u2010reported outcomes (PROs) were compared between groups. Categorical variables were compared using the Fisher exact testing and continuous variable using 2\u2010tailed Student\n                      <jats:italic>t<\/jats:italic>\n                      tests.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Sixty patients with lateral impingement (65.0% female, age:\u00a035.3 \u00b1 13.0 years) were matched to 180 patients without lateral impingement (65.0% female, age: 34.7 \u00b1 12.5 years,\n                      <jats:italic>P<\/jats:italic>\n                      \u2265 .279). Patients with lateral impingement had larger preoperative AAs on both Dunn (71.0\u00b0 \u00b1 8.8\u00b0 vs 67.6\u00b0 \u00b1 6.1\u00b0,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a0.001) and AP radiographs (79.0\u00b0 \u00b1 12.1\u00b0 vs 48.2\u00b0 \u00b1 6.5\u00b0,\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001). However, there were no differences in postoperative AAs on either view (Dunn: 39.0\u00b0 \u00b1 6.1\u00b0 vs 40.5\u00b0 \u00b1 5.3\u00b0, AP: 45.8\u00b0 \u00b1 9.0\u00b0 vs 44.9\u00b0 \u00b1 7.0\u00b0,\n                      <jats:italic>P<\/jats:italic>\n                      \u2265 .074). Labral tears began more superiorly in patients with lateral impingement (12:00 \u00b1 0:49 vs 12:17 \u00b1 0:41,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .030), and they demonstrated greater rates of acetabular and femoral cartilage damage (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .030 for both); however, there were no differences in PROs or reoperation rates between the groups at 5\u2010year follow\u2010up.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Although cam deformities located laterally and anterolaterally are larger than those located anterolaterally alone, both can be resected adequately, resulting in similar postoperative radiographic measurements, PROs, and survivorship.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level III, retrospective cohort study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2024.03.020","type":"journal-article","created":{"date-parts":[[2024,3,21]],"date-time":"2024-03-21T04:33:35Z","timestamp":1710995615000},"page":"55-65","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":4,"title":["Patients With Lateral and Anterolateral Cam Morphology Have Greater Deformities Versus Typical Anterolateral Deformity Alone but No Differences in Postoperative Outcomes: A Propensity\u2010Matched Analysis at Minimum 5\u2010Year Follow\u2010Up"],"prefix":"10.1002","volume":"41","author":[{"given":"Jordan H.","family":"Larson","sequence":"first","affiliation":[{"name":"Section of Young Adult Hip Surgery Division of Sports Medicine Department of Orthopedic Surgery Rush Medical College of Rush University Rush University Medical Center Chicago Illinois U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Reagan S.","family":"Chapman","sequence":"additional","affiliation":[{"name":"Section of Young Adult Hip Surgery Division of Sports Medicine Department of Orthopedic Surgery Rush Medical College of Rush University Rush University Medical Center Chicago Illinois U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sachin","family":"Allahabadi","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Houston Methodist Houston Texas U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel J.","family":"Kaplan","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery New York University Langone Orthopedic Hospital New York New York U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kyleen","family":"Jan","sequence":"additional","affiliation":[{"name":"Section of Young Adult Hip Surgery Division of Sports Medicine Department of Orthopedic Surgery Rush Medical College of Rush University Rush University Medical Center Chicago Illinois U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Omair","family":"Kazi","sequence":"additional","affiliation":[{"name":"Section of Young Adult Hip Surgery Division of Sports Medicine Department of Orthopedic Surgery Rush Medical College of Rush University Rush University Medical Center Chicago Illinois U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Onur","family":"Hapa","sequence":"additional","affiliation":[{"name":"Department of Orthopedics and Traumatology Dokuz Eyl\u00fcl University; Bal\u00e7ova Izmir Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shane J.","family":"Nho","sequence":"additional","affiliation":[{"name":"Section of Young Adult Hip Surgery Division of Sports Medicine Department of Orthopedic Surgery Rush Medical College of Rush University Rush University 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