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Generally, it is measured on magnetic resonance imaging as the TT\u2010TG distance (tibial tubercle\u2013trochlear groove distance), and recent meta\u2010analyses have suggested that a value as low as 12.5 mm can be used as the threshold for deciding when to medialize the tibial tubercle. However, a problem with using the TT\u2010TG distance is that it is influenced by the size of the knee. An individualized index helps overcomes this problem, and dividing the TT\u2010TG distance by the trochlear width may be the most promising method. The suggested cut\u2010off value of (TT\u2010TG)\/trochlear width is 0.572.<\/jats:p>","DOI":"10.1016\/j.arthro.2021.12.038","type":"journal-article","created":{"date-parts":[[2022,3,31]],"date-time":"2022-03-31T03:04:09Z","timestamp":1648695849000},"page":"1299-1301","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":5,"title":["<i>Editorial Commentary:<\/i>\n                    The Best Index to Determine Whether to Medialize the Tibial Tubercle In Patients With Patellar Instability May Be Tibial Tubercle to Trochlear Groove Distance\/Trochlear Width, But Check the Intraoperative Patellar Tracking\u00a0as Well"],"prefix":"10.1002","volume":"38","author":[{"given":"Chris","family":"Servant","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,4,1]]},"reference":[{"key":"e_1_2_2_2_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546519888467"},{"key":"e_1_2_2_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-012-1907-8"},{"key":"e_1_2_2_4_2","first-page":"423","article-title":"The measurement of the tibial tuberosity. 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