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. 2021 Jan;38(1):15-18.

Predictive Value of Clinical and Magnetic Resonance Image Findings in the Diagnosis of Meniscal and Anterior Cruciate Ligament Injuries

O R Babalola  1 , S E Itakpe  1 , T H Afolayan  1 , M A Olusola-Bello  2 , E I Egbekun  1
Affiliations
  • PMID: 33463701

Predictive Value of Clinical and Magnetic Resonance Image Findings in the Diagnosis of Meniscal and Anterior Cruciate Ligament Injuries

O R Babalola et al. West Afr J Med. 2021 Jan.

Abstract

Background: Anterior Cruciate Ligament (ACL) injuries may be accompanied by associated injuries such as meniscal injuries. Clinical evaluation alone may at times miss the diagnosis of ACL injury and one or more associated injuries. However, an adjuvant diagnostic tool such as an MRI of the knee may be unaffordable to some patients. The goal of this study was to compare the sensitivity, specificity and predictive value of clinical and magnetic resonance image (MRI) findings in the diagnosis of anterior cruciate ligament and meniscal injuries.

Methods: This was a prospective study. The cases of ACL injury recruited had a magnetic resonance imaging of the injured knee, and knee arthroscopy done. The clinical, magnetic resonance imaging and arthroscopic diagnostic findings were all noted. The sensitivity, specificity, positive predictive value and negative predictive values of clinical and MRI findings were compared, with arthroscopic findings as gold standard.

Results: A total of seventy-seven patients were recruited for the study. There were fifty-four males and twenty three females. The results of the tests of the sensitivity, specificity, positive predictive value and negative predictive value of clinical diagnosis and MRI when compared with arthroscopy findings, in detecting meniscal and anterior cruciate ligament injuries were as follows: For Clinical evaluation; Anterior Cruciate ligament: 81%, 80%, 86% and 76%; Medial Meniscus: 84%, 77%, 84% and 93%; and Lateral Meniscus: 85%, 77%, 85% and 82% respectively. For MRI: Anterior Cruciate Ligament (ACL): 87%, 89%, 93% and 78% ; Medial Meniscus: 87% 79%, 70% and 82%; and the Lateral Meniscus: 70%, 76% 73% and 72%.

Conclusion: The specificity, sensitivity and predictive value of clinical and MRI findings were comparable in relation to the diagnosis of ACL and Medial Meniscus tears. However, the values of these parameters were better with clinical examination than with MRI in relation to the diagnosis of lateral meniscus tears.

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