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Role of Magnetic Resonance Imaging in Evaluation of Traumatic Meniscal Injuries
Sahana, A , Maulishree Singh , Lakshmeesha, Suresh, P
DOI : 10.5281/zenodo.14211007
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Abstract

Background: Knee pain and swelling are the common complaints affecting approximately 26.9% of population. In recent time meniscal injury is on rise, 9 out of 1000 men and 4.2 out of 1000 women are affected approximately. Of these, traumatic tears account for 68 to 75%, causing lower quality of life. MRI has become most important diagnostic tool for evaluating meniscal injuries replacing arthroscopy.Aims: To determine the morphology and signs of knee meniscal injuries using MRI and also to assess yield in patients with suspected meniscal tear.Methods and Material: A prospective longitudinal study was conducted between July 2022 to June 2023 of individuals with traumatic knee injury referred for MRI, to department of radiodiagnosis. MRI was obtained with 1.5 T (Siemens Sempra XA12 platform). Intra meniscal signals were graded as described by Stoller and Colleagues. Also part of meniscus involved and type of tear was noted. Statistical methods used: Descriptive method of statistics are being used to portray the baseline profile. The chi-square and Fischer exact test are being used for comparing categorical variables and to compare means student-t test is being used.Results: Out of 53 individuals presented with knee injury, 47 individuals had changes on MRI. A total of 60 abnormalities were identified. Lateral meniscus (34) was most commonly involved than medial meniscus (26). In lateral meniscus, anterior horn was significantly involved (20) as compared to (12) of posterior horn. In medial meniscus, posterior horn was significantly involved, that is (19) compared to (3) of anterior horn (p value<0.000914). Of these, 43 had meniscal tears. Complex tears were commonly seen in lateral meniscus.Conclusion: These findings compel radiologists to focus on those specific regions, while looking into meniscal injuries and minimize the possibility of missing crucial findings, for patient management.

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