T2 mapping [Cartigram] in the evaluation of the articular cartilage in traumatic knee injury
Journal Title: Medpulse International Journal of Radiology - Year 2019, Vol 9, Issue 2
Abstract
Background: Injury to articular cartilage of the knee is recognized as a cause of significant musculoskeletal morbidity as it progressively leads to secondary osteoarthritis. Routine MRI sequences are not optimal for imaging articular cartilage and hence many lesions can be missed. Cartigram is an optional application available in 1.5 T/3 T MRI to see changes in the composition of articular cartilage before changes in the thickness can be seen Objectives: 1To know the role of T2 mapping [Cartigram], in the evaluation of the articular cartilage of the knee joint, as an adjuvant to routine sequences in patients with traumatic knee injury. 2To describe the articular cartilage changes in above patients using T2 mapping. Methodology: A descriptive study was conducted in the Department of Radiodiagnosis, Kannur Medical College, Anjarakandy, among 60 consecutive-consenting patients with knee joint trauma, referred for MRI with suspicious ligament/ meniscal tears, during the period March 2016 to September 2017. Details of each patient, including personal details as well as details of trauma was collected using a semi structured questionnaire. Routine MRI and T2 Mapping were performed in all study subjects. Data was coded and entered in Microsoft excel and analyzed using SPSS version 20. Results: Using PDFS articular cartilage damage was noted in 21.7 % of which sagittal PDFS alone demonstrated 20 % of the lesions. Using T2 mapping articular cartilage damage was noted in 50% which was higher than with the PDFS sequences. T2 maps showed all the lesions detected on routine PDFS sequences. Most of the articular cartilage lesions (38.33%) were noted in lateral femur. ACL tear [58 %] was the commonest associated finding. Conclusion: This study further strengthens the role off T2 mapping as a useful adjuvant in MRI of traumatic knee for early detection of articular cartilage damage.
Authors and Affiliations
Safna M A, Sunil M, Keshav Kumar
Keywords
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- EP ID EP539473
- DOI 10.26611/1013926
- Views 116
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