{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,21]],"date-time":"2026-06-21T04:44:40Z","timestamp":1782017080046,"version":"3.54.5"},"reference-count":14,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2017,5]]},"abstract":"<jats:p>This study aimed to predict the modification of the alignment between the tibial tubercle (TT) and the trochlear groove (TG) that occurs during femoral or tibial hemiepiphysiodesis. MRI scans of 541 knees were retrospectively reviewed to determine the distances between the cranial insertion of the patellar tendon on the TT and the femoral physis (FP)\/tibial physis (TP). Thereafter, we developed a trigonometric formula to calculate the predicted change of the TT\u2013TG distance that occurs during hemiepiphysiodesis around the knee using both the planned angular correction as well as the length between the physis (both distal femoral and proximal tibial) and the insertion of the patellar tendon of the TT. This study showed that TT\u2013FP and TT\u2013TP distances vary very little with sex and age during growth and the mean values of FP\u2013TT and TP\u2013TT distances (55 and 7\u2009mm, respectively) can thus be used in clinical settings for calculating a rough estimate of the translation of the TT position that will occur during \u2018guided growth\u2019. On this subject, one can expect a 1\u2009mm simultaneous lateral or medial transfer of the TT for every 1\u00b0 of angular correction during distal femoral hemiepiphysiodesis. For proximal tibial hemiepiphysiodesis, an angular correction of 8\u00b0 should roughly translate into a simultaneous 1\u2009mm transfer of the TT. This study puts forward the hypothesis that a simultaneous modification of the TT\u2013TG distance has to be expected following hemiepiphysiodesis, whether femoral or tibial. Level of evidence: III.<\/jats:p>","DOI":"10.1097\/bpb.0000000000000409","type":"journal-article","created":{"date-parts":[[2016,12,10]],"date-time":"2016-12-10T23:28:54Z","timestamp":1481412534000},"page":"204-210","source":"Crossref","is-referenced-by-count":9,"title":["Modification of the alignment between the tibial tubercle and the trochlear groove induced by temporary hemiepiphysiodesis for lower extremity angular deformities: a trigonometric analysis"],"prefix":"10.1097","volume":"26","author":[{"given":"Dimitri","family":"Ceroni","sequence":"first","affiliation":[{"name":"Paediatric Orthopedic Service, Department of Child and Adolescent"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amira","family":"Dhouib","sequence":"additional","affiliation":[{"name":"Paediatric Radiology Unit, Department of Radiology, University Hospitals of Geneva, Geneva, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Merlini","sequence":"additional","affiliation":[{"name":"Paediatric Radiology Unit, Department of Radiology, University Hospitals of Geneva, Geneva, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georgios","family":"Kampouroglou","sequence":"additional","affiliation":[{"name":"Paediatric Orthopedic Service, Department of Child and Adolescent"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"R1-20230828","first-page":"798","article-title":"Hyphenated history: the Hueter\u2013Volkmann law","volume":"26","author":"Mehlman","year":"1997","journal-title":"Am J Orthop (Belle Mead, NJ)"},{"key":"R2-20230828","doi-asserted-by":"crossref","first-page":"528","DOI":"10.5435\/00124635-201009000-00004","article-title":"Guided growth for the correction of pediatric lower limb angular deformity","volume":"18","author":"Saran","year":"2010","journal-title":"J Am Acad Orthop Surg"},{"key":"R3-20230828","doi-asserted-by":"crossref","first-page":"626","DOI":"10.1097\/BPO.0b013e318183d573","article-title":"Guided growth for fixed knee flexion deformity","volume":"28","author":"Klatt","year":"2008","journal-title":"J Pediatr Orthop"},{"key":"R4-20230828","doi-asserted-by":"crossref","first-page":"253","DOI":"10.1097\/BPO.0b013e31803433a1","article-title":"Guided growth for angular correction: a preliminary series using a tension band plate","volume":"27","author":"Stevens","year":"2007","journal-title":"J Pediatr Orthop"},{"key":"R5-20230828","doi-asserted-by":"crossref","first-page":"699","DOI":"10.1007\/s00776-010-1514-9","article-title":"Temporary hemiepiphysiodesis with the eight-plate for angular deformities: mid-term results","volume":"15","author":"Burghardt","year":"2010","journal-title":"J Orthop Sci"},{"key":"R6-20230828","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1007\/s11832-008-0096-y","article-title":"Temporary hemiepiphyseal arrest using a screw and plate device to treat knee and ankle deformities in children: a preliminary report","volume":"2","author":"Burghardt","year":"2008","journal-title":"J Child Orthop"},{"key":"R7-20230828","doi-asserted-by":"crossref","first-page":"273","DOI":"10.1302\/0301-620X.92B2.22937","article-title":"Correcting genu varum and genu valgum in children by guided growth: temporary hemiepiphysiodesis using tension band plates","volume":"92","author":"Ballal","year":"2010","journal-title":"J Bone Joint Surg Br"},{"key":"R8-20230828","doi-asserted-by":"crossref","first-page":"3","DOI":"10.2466\/pr0.1966.19.1.3","article-title":"The intraclass correlation coefficient as a measure of reliability","volume":"19","author":"Bartko","year":"1966","journal-title":"Psychol Rep"},{"key":"R9-20230828","doi-asserted-by":"crossref","first-page":"483","DOI":"10.1093\/schbul\/17.3.483","article-title":"Measurement and reliability: statistical thinking considerations","volume":"17","author":"Bartko","year":"1991","journal-title":"Schizophr Bull"},{"issue":"Spec No. 2","key":"R10-20230828","doi-asserted-by":"crossref","first-page":"S134","DOI":"10.1259\/bjr\/96723280","article-title":"The reliability of measuring physical characteristics of spiculated masses on mammography","volume":"79","author":"Sampat","year":"2006","journal-title":"Br J Radiol"},{"key":"R11-20230828","first-page":"161","article-title":"The influence of periosteum on tendon and ligament migration","volume":"145","author":"Muhl","year":"1986","journal-title":"J Anat"},{"key":"R12-20230828","first-page":"385","article-title":"Bone and the mechanisms of its formation; morphologic study","volume":"43","author":"Lacroix","year":"1951","journal-title":"J Physiol (Paris)"},{"key":"R13-20230828","first-page":"229","article-title":"Migration of tendinous insertions. 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