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For the hip, classification systems that characterize intra\u2010articular disorders like femoroacetabular impingement (FAI) syndrome, dysplasia, labral tears, and articular cartilage disease predominate the literature. Recently, awareness of peritrochanteric and other extra\u2010articular disorders has increasingly led to greater recognition, diagnosis, and treatment of what has been historically known as \u201cjust bursitis\u201d. These disorders are far more complex and include greater trochanteric pain syndrome, the spectrum of gluteal tendon pathology, greater trochanteric bursitis, snapping iliotibial band (external coxa saltans), and greater trochanteric\u2010ischial impingement. The utility of an intraoperative greater trochanteric pain syndrome classification system has now been proven using prospectively collected data, assimilating a decade\u2010long eligibility period following open or endoscopic treatment of peritrochanteric disorders with a minimum two\u2010year follow\u2010up using validated patient\u2010reported outcome scores. This classification guides prognosis and treatment, exactly as an optimal orthopedic classification system should do.<\/jats:p>","DOI":"10.1016\/j.arthro.2021.03.083","type":"journal-article","created":{"date-parts":[[2021,7,2]],"date-time":"2021-07-02T03:10:07Z","timestamp":1625195407000},"page":"2137-2139","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"title":["<i>Editorial Commentary:<\/i>\n                    An Optimal Classification System to Guide Prognosis and Treatment in Greater Trochanteric Pain Syndrome: Now We\u2019re Speaking the Same Language"],"prefix":"10.1002","volume":"37","author":[{"given":"Joshua D.","family":"Harris","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,7,1]]},"reference":[{"key":"e_1_2_2_2_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.L.00890"},{"key":"e_1_2_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2021.01.058"},{"key":"e_1_2_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.eats.2019.04.004"},{"key":"e_1_2_2_5_2","doi-asserted-by":"publisher","DOI":"10.1136\/jisakos-2018-000223"},{"key":"e_1_2_2_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2020.09.008"},{"key":"e_1_2_2_7_2","doi-asserted-by":"publisher","DOI":"10.1177\/2325967114523916"},{"key":"e_1_2_2_8_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.J.01735"},{"key":"e_1_2_2_9_2","doi-asserted-by":"publisher","DOI":"10.5435\/JAAOS-D-16-00075"},{"key":"e_1_2_2_10_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00256-015-2220-7"},{"key":"e_1_2_2_11_2","first-page":"352","article-title":"Defining the greater trochanter\u2010ischial space: a potential source of extra\u2010articular impingement in the posterior hip region","volume":"3","author":"Kivlan B.R.","year":"2016","journal-title":"J\u00a0Hip Preserv Surg"},{"key":"e_1_2_2_12_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.CC.20.00014"},{"key":"e_1_2_2_13_2","doi-asserted-by":"publisher","DOI":"10.1093\/qjmed\/hcv203"},{"key":"e_1_2_2_14_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11606-014-2960-4"},{"key":"e_1_2_2_15_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546518757758"}],"container-title":["Arthroscopy"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0749806321003571?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0749806321003571?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/arthroscopyjournals.onlinelibrary.wiley.com\/doi\/pdf\/10.1016\/j.arthro.2021.03.083","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/arthroscopyjournals.onlinelibrary.wiley.com\/doi\/full-xml\/10.1016\/j.arthro.2021.03.083","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/arthroscopyjournals.onlinelibrary.wiley.com\/doi\/pdf\/10.1016\/j.arthro.2021.03.083","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,15]],"date-time":"2026-03-15T08:44:52Z","timestamp":1773564292000},"score":1,"resource":{"primary":{"URL":"https:\/\/arthroscopyjournals.onlinelibrary.wiley.com\/doi\/10.1016\/j.arthro.2021.03.083"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,7]]},"references-count":14,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2021,7]]}},"alternative-id":["10.1016\/j.arthro.2021.03.083"],"URL":"https:\/\/doi.org\/10.1016\/j.arthro.2021.03.083","archive":["Portico"],"relation":{},"ISSN":["0749-8063","1526-3231"],"issn-type":[{"value":"0749-8063","type":"print"},{"value":"1526-3231","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Editorial Commentary: An Optimal Classification System to Guide Prognosis and Treatment in Greater Trochanteric Pain Syndrome: Now We\u2019re Speaking the Same Language","name":"articletitle","label":"Article Title"},{"value":"Arthroscopy: The Journal of Arthroscopic & Related Surgery","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.arthro.2021.03.083","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"simple-article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 by the Arthroscopy Association of North America","name":"copyright","label":"Copyright"}]}}