Two-slice-touch rule (knee MRI)
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Thetwo-slice-touch rule is a sign on MRI of the knee to increase the sensitivity of diagnosing meniscal tears.
This rule states a meniscal tear is present if abnormal findings are present on two or more images - these do not have to be contiguous, e.g. can occur on sagittal and coronal slices but at the same anatomical location. AThe only exception to this rule applies to a meniscal root tear which abnormal signal in only one slice is considered highly sensitive for an underlying tear. A possible meniscal tear is present if abnormal findings are present on only one slice in other types of meniscal tear.
-<p>The <strong>two-slice-touch rule</strong> is a sign on MRI of the knee to increase the sensitivity of diagnosing <a href="/articles/meniscal-tear">meniscal tears</a>.</p><p>This rule states a meniscal tear is present if abnormal findings are present on two or more images - these do not have to be contiguous, e.g. can occur on sagittal and coronal slices. A possible meniscal tear is present if abnormal findings are present on only one slice. </p>- +<p>The <strong>two-slice-touch rule</strong> is a sign on MRI of the knee to increase the sensitivity of diagnosing <a href="/articles/meniscal-tear">meniscal tears</a>.</p><p>This rule states a meniscal tear is present if abnormal findings are present on two or more images - these do not have to be contiguous, e.g. can occur on sagittal and coronal slices but at the same anatomical location. The only exception to this rule applies to a meniscal root tear which abnormal signal in only one slice is considered highly sensitive for an underlying tear. A possible meniscal tear is present if abnormal findings are present on only one slice in other types of meniscal tear. </p>
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