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KMID : 1207720110030020128
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Clinics in Orthopedic Surgery
2011 Volume.3 No. 2 p.128 ~ p.132
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Characteristics of Radial Tears in the Posterior Horn of the Medial Meniscus Compared to Horizontal Tears
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Choi Chul-Jun
Choi Yun-Jin
Song In-Bum
Choi Chong-Hyuk
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Abstract
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Background: The clinical and radiologic features of radial tears of the medial meniscus posterior horn were compared with those of horizontal tears.
Methods: From January 2007 to December 2008, 387 consecutive cases of medial meniscal tears were treated arthroscopically. Among these, 91 were radial tears in the medial meniscus posterior horn, and 95 were horizontal tears in the posterior segment of the medial meniscus. The patients’ data (age, gender, duration of symptom, body mass index, and injury history), radiographic findings (Kellgren and Lawrence score, posterior tibial slope, and femorotibial angle), and chondral lesions were recorded.
Results: The patient factors of age, gender, and body mass index were related to radial tears of the medial meniscus posterior horn. Radial tears were significantly correlated with Kellgren and Lawrence score, varus alignment, posterior tibial slope, and severity of the chondral lesion.
Conclusions: Radial tears of the medial meniscus posterior horn are a unique clinical entity that are associated with older age, females and obesity, and are strongly associated with an increased incidence and severity of cartilage degeneration compared to horizontal tears.
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KEYWORD
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Radial tear, Horizontal tear, Medial meniscus, Posterior horn
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