Sina Pezeshki1, Thomas J Vogl1, Mohammad Zakaria Pezeshki2, Mohammad Hossein Daghighi3, Masoud Pourisa3. 1. Department of Diagnostic and Interventional Radiology, Johann Wolfgang Goethe University Frankfurt, Frankfurt, Germany. 2. Department of Community Medicine, Tabriz University of Medical Sciences, Tabriz, Iran. 3. Department of Radiology, Tabriz University of Medical Sciences, Tabriz, Iran.
Abstract
BACKGROUND: magnetic resonance imaging (MRI) as a noninvasive diagnostic tool may help clinicians in the evaluation of injuries to menisci and ligaments. PURPOSE: this study assessed the associations between type of trauma to knee joint, bone bruise, fracture and pathological joint effusion with injuries to menisci and ligaments of knee joint. METHODS: we reviewed knee joint MRI of 175 patients aged less than 45 years old who were referred to MRI center of our University. RESULTS: statistical analysis showed that tearing of medial meniscus (MM) is significantly more common in sport related trauma (p= 0.045) but tearing of medial collateral ligament (MCL) is significantly more common in non-sport related trauma (p= 0.005). Existence of bone bruise in knee MRI is negatively associated with tearing of medial meniscus (MM) (p=0.004) and positively associated with tearing of anterior cruciate ligament (ACL) (p=0.00047) and medial collateral ligament (MCL) (p = 0.0001). Existence of fracture is associated with decreased risk of the tearing of ACL and MM (p=0.04, p=0.001 respectively). Pathologic joint effusion is significantly more common in ACL and MCL tearing (p=0.0001, p=0.004 respectively). CONCLUSIONS: as diagnostic clues, bone bruise, fracture and joint effusion may help radiologists for better assessment of injury to menisci and ligaments in MRI of patients with knee trauma.
BACKGROUND: magnetic resonance imaging (MRI) as a noninvasive diagnostic tool may help clinicians in the evaluation of injuries to menisci and ligaments. PURPOSE: this study assessed the associations between type of trauma to knee joint, bone bruise, fracture and pathological joint effusion with injuries to menisci and ligaments of knee joint. METHODS: we reviewed knee joint MRI of 175 patients aged less than 45 years old who were referred to MRI center of our University. RESULTS: statistical analysis showed that tearing of medial meniscus (MM) is significantly more common in sport related trauma (p= 0.045) but tearing of medial collateral ligament (MCL) is significantly more common in non-sport related trauma (p= 0.005). Existence of bone bruise in knee MRI is negatively associated with tearing of medial meniscus (MM) (p=0.004) and positively associated with tearing of anterior cruciate ligament (ACL) (p=0.00047) and medial collateral ligament (MCL) (p = 0.0001). Existence of fracture is associated with decreased risk of the tearing of ACL and MM (p=0.04, p=0.001 respectively). Pathologic joint effusion is significantly more common in ACL and MCL tearing (p=0.0001, p=0.004 respectively). CONCLUSIONS: as diagnostic clues, bone bruise, fracture and joint effusion may help radiologists for better assessment of injury to menisci and ligaments in MRI of patients with knee trauma.
Entities:
Keywords:
knee joint; ligaments; magnetic resonance imaging
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