Tawfik, N., Khalil, T., Toreih, A., Hussein, W. (2023). Magnetic Resonance Imaging Compared to Magnetic Resonance Arthrography in Assessment of Recurrent Meniscal Injury. The Egyptian Journal of Hospital Medicine, 90(2), 2032-2040. doi: 10.21608/ejhm.2023.285027
Nermeen Ali Tawfik; Tarek Hassan Khalil; Ahmed Ali Toreih; Waleed Mosallam Hussein. "Magnetic Resonance Imaging Compared to Magnetic Resonance Arthrography in Assessment of Recurrent Meniscal Injury". The Egyptian Journal of Hospital Medicine, 90, 2, 2023, 2032-2040. doi: 10.21608/ejhm.2023.285027
Tawfik, N., Khalil, T., Toreih, A., Hussein, W. (2023). 'Magnetic Resonance Imaging Compared to Magnetic Resonance Arthrography in Assessment of Recurrent Meniscal Injury', The Egyptian Journal of Hospital Medicine, 90(2), pp. 2032-2040. doi: 10.21608/ejhm.2023.285027
Tawfik, N., Khalil, T., Toreih, A., Hussein, W. Magnetic Resonance Imaging Compared to Magnetic Resonance Arthrography in Assessment of Recurrent Meniscal Injury. The Egyptian Journal of Hospital Medicine, 2023; 90(2): 2032-2040. doi: 10.21608/ejhm.2023.285027
Magnetic Resonance Imaging Compared to Magnetic Resonance Arthrography in Assessment of Recurrent Meniscal Injury
Background: Arthroscopic knee surgery including partial meniscectomy & meniscal repair are of the world’s most performed surgical procedures. Magnetic Resonance arthrography is the cornerstone imaging modality in evaluating postoperative symptomatic patients. Objective: This study aimed to evaluate the diagnostic value of conventional MR compared to MR arthrography in the diagnosis of recurrent meniscal tear. Subjects and methods: Our prospective cross-sectional study included 20 patients with postoperative meniscus surgery admitted to Orthopedic Department, Suez Canal University Hospital through the period from April 2020 to September 2021. Results: In the meniscus surgery group (total 20 patients), 6 studied cases (30%) were treated with meniscal repair, 13 studied cases (65%) had meniscectomy and one patient (5%) had meniscal transplants. Conventional MRI showed 77% sensitivity, 58% specificity and 67.5% accuracy in the meniscal surgeries group. MRI and MRA showed high agreement (K= 0.66) in meniscal transplant and meniscectomy less than 25%, while MRI has a low agreement (K=0.1 &0.5) with MRA in meniscal repair and meniscectomy more than 25%. Conclusions:Conventional MRI alone has low sensitivity and specificity in the assessment of recurrent tears in post-meniscal surgeries where MR arthrography is essential in the detection of recurrent meniscal tears in cases of meniscal repair and partial meniscectomy more than 25%. However, when meniscus resection is minimal (less than 25%) conventional MRI is usually enough for diagnosis.
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