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KMID : 1195520100030010008
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Journal of Korean Orthopaedic Ultrasound Society
2010 Volume.3 No. 1 p.8 ~ p.14
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Usefulness of Ultrasound for the Loose Body in Knee
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Kim Jung-Man
Nam Ho-Jin
Ra Ki-Hang
Jin Sung-Ki
Choi Seung-Kyun
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Abstract
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Purpose: We wished to evaluate the clinical usefulness of ultrasound, when loose body is palpated and is shown radiographically in knee.
Material and Methods: Twenty-five knees of twenty-two patients with loose body in knee radiographically from March, 2007 to July, 2009 were involved in this study, there were 8 males and 14 females, there were 11 right knees, 8 left knees and 3 both knees, the average age was 56.3 years (range, 32~76 years). The location of loose bodies were 13 cases at suprapatella pouch, 1 case at infrapatella anterior compartment and 11 cases at posterior compartment. In loose bodies of suprapatella pouch, we examined the mobility of loose bodies longitudinally with ultrasound placed at superior patella pole while flexing and extending the knee. In loose bodies of infrapatella anterior and posterior compartment, we examined the mobility of loose bodies longitudinally and transversely with ultrasound while flexing and extending the knee.
Results: All cases of suprapatella pouch and infrapatella anterior compartment were diagnosed to movable loose bodies and were removed surgically, all cases of posterior compartment were diagnosed to immovable loose bodies and were not removed.
Conclusion: When we determined the surgical removal according to mobility of loose body in knee, ultrasound may be helpful clinically.
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KEYWORD
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Knee, Loose Body, Ultrasound
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