This study was performed to investigate changes in meniscus T2 relaxation time at various stages of knee joint degeneration. T2 mapping was performed on the knees of 121 patients with meniscus tears. T2 of the torn and untorn portions of the medial and lateral meniscus were measured. The severity of radiographic osteoarthritis was assessed using the Kellgren-Lawrence (KL) grading scale. There was a significant difference (p<0.001) in meniscus T2 between KL0, KL1, and KL2 subjects in both the torn and untorn portions of the meniscus with KL2 subjects having the highest T2 and KL0 subjects having the lowest T2.
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