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Correlation of clinical examination,ultrasound sonography,and magnetic resonance imaging findings with arthroscopic findings in relation to acute and chronic lateral meniscus injuries
Authors:Timotijevic Sladjan  Vukasinovic Zoran  Bascarevic Zoran
Institution:1. Belgrade University School of Medicine, Institute for Orthopedic Surgery “Banjica”, Belgrade, Serbia;1. Department of Orthopaedic Surgery, Hanyang University College of Medicine, Seoul, Korea;2. Department of Orthopaedic Surgery, KEPCO Medical Center, Seoul, Korea;1. Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo, Tokyo, Japan;2. Department of Orthopaedic Sports Surgery, Kantoh Rosai Hospital, Kanagawa, Japan;3. Department of Orthopaedic Surgery, Teikyo University School of Medicine, Tokyo, Japan;1. Department of Orthopedics, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan;2. Department of Orthopedic Biomaterial Science, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
Abstract:

Purpose

The aim of this study was to evaluate whether ultrasound sonography (USS) performed by orthopedic surgeons is a reliable method of investigating lateral meniscus (LM) knee lesions as compared to magnetic resonance imaging (MRI), and arthroscopy, which is the gold standard in clinical practice.

Methods

In total, 107 patients were involved in this study. They were hospitalized for arthroscopy due to LM injury of the knee. Clinical examination (McMurray’s, Apley’s, and joint line tenderness tests), USS, and MRI were performed prior to arthroscopy. We compared the results of clinical examination, USS, and MRI with the arthroscopic findings for the knee, which were considered the reference values.

Results

McMurray’s clinical test, which is the most sensitive method of detecting lateral meniscus lesions, gave the same sensitivity rate for both acute and chronic LM injuries: 65 %. USS was observed to be more sensitive and specific for chronic LM injuries (85 and 90 %, respectively) than for acute LM injuries (71 and 87 %). MRI also yielded higher values of sensitivity and specificity for chronic lateral meniscus injuries (75 and 95 %, respectively) than for acute LM injuries (68 and 87 %).

Conclusions

The accuracy of ultrasound examination is demonstrated by the high reliability of this method in the diagnosis of lateral meniscus lesions of the knee, and the evaluation performed in this study showed that ultrasound is a useful clinical tool for diagnosing knee pathology.
Keywords:
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