Abstract
Background: In complete tear of ACL the normal technique can easily diagnose it. When it comes to partial tear the standard technique has less sensitive for it because the normal knee technique will not give us the complete course of ACL in a single image. In this case sagittal-oblique and flexion sequences are added. These sequences will give us the complete course of ACL in single image which improves the diagnostic quality.
Aims and Objective: To Evaluate the Diagnostic value of sagittal-oblique and flexion MR sequences to detect Partial Tear in Anterior Cruciate Ligament of Knee in Comparison with other Routine Sagittal Knee Sequences.
Result: In routine sagittal imaging of knee 9 patients (30%) were found to have normal ACL, 8 (26.6%) had partial tear and 13 (43.3%) had complete tear of ACL. On sagittal-oblique and flexion technique 13 (43.3%) patients were diagnosed with partial tear of ACL. Therefore in 4 cases partial tear was missed on routine sagittal imaging. The percentage of compete tear using standard sagittal imaging was 43.3% (13 patients). Both flexion and sagittal-oblique imaging had the same efficacy as routine sagittal technique in diagnosing complete tear.
Conclusion: Lower accuracy of standard MR protocol for partial tear of ACL can be improved by using additional sagittal-oblique and flexion technique MR.
Keywords: Knee MRI, anterior cruciate ligament,
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Corresponding Author
Dr Arya Sasikumar
Chettinad Health City, Kelambakkam, Kanchipuram Dist. TN 603103