Accuracy of MRI in the diagnosis of meniscal tears in patients with chronic ACL tears

Sharifah, Mia; Lee, C. L.; Aziz, Sarah; Johan, Andrew; Syed, A. F. S. K.; Tan, Sook Pei

doi:10.1007/s00167-013-2766-7

Cited by 39 publications

(25 citation statements)

References 15 publications

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“…MRI is a reliable tool for assessing meniscal tears and cartilage defects preoperatively, but it was reportedly more accurate for evaluating MMT than LMT. 30,31 It has also been reported that the sensitivity and negative predictive value for meniscal tears decrease in the presence of ACL tears, especially for LMT. 32 Thus, compared with MMT, the incidence of LMT in MRI studies may be underestimated in our series.…”

Section: Discussionmentioning

confidence: 96%

Correlation of Meniscal Tear with Timing of Anterior Cruciate Ligament Reconstruction in Patients without Initially Concurrent Meniscal Tear

et al. 2018

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The incidence of meniscal tear was reported to increase with the delay of anterior cruciate ligament reconstruction (ACLR). The tear may occur concurrently with the ACL injury or after the ACL injury. Few studies had focused on the patients whose meniscus is intact during ACL injury. We determined the correlation between timing of surgery and incidence of meniscal tears in ACL-deficient knees with initially intact meniscus. We retrospectively reviewed 387 patients who had undergone primary ACLR. Time of initial ACL injury, magnetic resonance imaging (MRI) examination, and surgery was recorded. The MRI was reviewed by experienced radiologic and orthopaedic doctors. Intraoperative arthroscopic images were also obtained and reviewed. The type of tear noted during surgery was classified according to the modification of International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine classification of meniscal tears. Patients were divided into early (surgery within 12 months from injury) and late surgery group (surgery at more than 12 months from injury). There were 216 patients with intact medial meniscus and 257 patients with intact lateral meniscus on the postinjury MRI study. The incidence of medial meniscus tear (MMT) was significantly higher than lateral meniscus tear (LMT) during the ACLR (33.8 vs. 19.8%, p < 0.001). The incidence of MMT is higher in late group than in early group (53.7 vs. 29.1%, p = 0.004, odds ratio= 2.815). The incidence of LMT is mildly higher in late group but without statistics significance (23.8 vs. 18.6%, p = 0.364). In both MMT and LMT, the most common injury pattern observed was a longitudinal tear. The incidence of each type is not different between early and late group. For patients without concurrent meniscal injuries with the ACL tear, the incidence of MMT significantly increased if ACLR was performed more than 12 months after injury. The medial meniscus was more prone to injury than the lateral meniscus in chronic ACL-deficient knee. ACLR should be performed earlier to reduce the risk of meniscal tears for patients without initially concurrent meniscal tear.

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Section: Discussionmentioning

confidence: 96%

Correlation of Meniscal Tear with Timing of Anterior Cruciate Ligament Reconstruction in Patients without Initially Concurrent Meniscal Tear

et al. 2018

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“…Sensitivities and specificities of over 80% have been described for detection of meniscal tears when compared with arthroscopy as a gold standard [22–24]. …”

Section: Discussionmentioning

confidence: 99%

“…Imaging at or around the posterior meniscal horn can be challenging. Sharifah et al described significantly lower sensitivities when the meniscal tears were located in the posterior horn [22]. In the same vein, Naranje et al reviewed the accuracy of MRI for diagnosis of meniscal lesions [23].…”

Section: Discussionmentioning

confidence: 99%

Cartilage Delamination Flap Mimicking a Torn Medial Meniscus

Jonathan

Razak

Kanta

2016

Case Reports in Orthopedics

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We report a case of a chondral delamination lesion due to medial parapatellar plica friction syndrome involving the medial femoral condyle. This mimicked a torn medial meniscus in clinical and radiological presentation. Arthroscopy revealed a chondral delamination flap, which was debrided. Diagnosis of chondral lesions in the knee can be challenging. Clinical examination and MRI have good accuracy for diagnosis and should be used in tandem. Early diagnosis and treatment of chondral lesions are important to prevent progression to early osteoarthritis.

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“…Though the ACL serves as the primary restraint to both anteroposterior and rotational stability, especially at low flexion angles, other surrounding knee structures contribute to joint stability [48]. Concomitant injury to medial or lateral meniscus is reported to be present in 16 to 82 % in acute ACL injuries and up to 96 % in chronic ACL injuries [49][50][51]. In addition to load distribution function, menisci also play a role in joint stability.…”

Section: Treatment Of Associated Injuriesmentioning

confidence: 99%

Knee instability scores for ACL reconstruction

Rahnemai-Azar

Naendrup

Soni

et al. 2016

Curr Rev Musculoskelet Med

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Despite abundant biological, biomechanical, and clinical research, return to sport after anterior cruciate ligament (ACL) injury remains a significant challenge. Residual rotatory knee laxity has been identified as one of the factors responsible for poor functional outcome. To improve and standardize the assessment of knee instability, a variety of instability scoring systems is available. Recently, devices to objectively quantify static and dynamic clinical exams have been developed to complement traditional subjective grading systems. These devices enable an improved evaluation of knee instability and possible associated injuries. This additional information may promote the development of new treatment algorithms and allow for individualized treatment. In this review, the different subjective laxity scores as well as complementary objective measuring systems are discussed, along with an introduction of injury to an individualized treatment algorithm.

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Accuracy of MRI in the diagnosis of meniscal tears in patients with chronic ACL tears

Cited by 39 publications

References 15 publications

Correlation of Meniscal Tear with Timing of Anterior Cruciate Ligament Reconstruction in Patients without Initially Concurrent Meniscal Tear

Correlation of Meniscal Tear with Timing of Anterior Cruciate Ligament Reconstruction in Patients without Initially Concurrent Meniscal Tear

Cartilage Delamination Flap Mimicking a Torn Medial Meniscus

Knee instability scores for ACL reconstruction

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