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Longitudinal Observation of Changes in the Ankle Alignment and Tibiofibular Relationships in Hereditary Multiple Exostoses

 Jae Hoo Lee  ;  Chasanal Mohan Rathod  ;  Hoon Park  ;  Hye Sun Lee  ;  Isaac Rhee  ;  Hyun Woo Kim 
 DIAGNOSTICS, Vol.10(10) : E752, 2020-09 
Journal Title
Issue Date
ankle ; fibula ; hereditary multiple exostoses ; tibia ; valgus
The longitudinal changes in the tibiofibular relationship as the ankle valgus deformity progresses in patients with hereditary multiple exostoses (HME) are not well-known. We investigated the longitudinal changes and associating factors in the tibiofibular relationship during the growing period. A total of 33 patients (63 legs) with HME underwent two or more standing full-length anteroposterior radiographs. Based on the change in ankle alignments, thirty-five patients with an increase in tibiotalar angle were grouped into group V, and 28 patients with a decreased angle into group N. In terms of the change in radiographic parameters, significant differences were noted in the tibial length, the fibular/tibial ratio, and the proximal and distal epiphyseal gap. However, age, sex, initial ankle alignment, location of osteochondroma, and presence of tibiofibular synostosis did not affect the tibiofibular alignment. The tibial growth was relatively greater than the fibular growth and was accompanied by significant relative fibular shortening in the proximal and distal portions. In pediatric patients with HME, age, sex, initial ankle alignment, location of the osteochondroma, and synostosis did not predict the progression of the ankle valgus deformity. However, when valgus angulation progressed, relative fibular shortening was observed as the tibia grew significantly in comparison to the fibula.
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1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyun Woo(김현우) ORCID logo https://orcid.org/0000-0001-8576-1877
Park, Hoon(박훈) ORCID logo https://orcid.org/0000-0002-8063-3742
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