Vertical meniscal tear

Changed by Yuranga Weerakkody, 1 Sep 2015

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A longitudinal meniscal tear is a morphological sub type of meniscal tear where a component of the tear is seen extending in vertical orientation parallel to the circumference of the meniscus.

Epidemiology

They tend to occur in younger patients following significant knee trauma.

Associations

They are often always associated with a significant knee injury (especially an ACL tears).

Location

almost always involve the posterior horns (often peripheral 3rd ²)

Radiographic features

MRI

They can be seen by the presence of a vertical line of increased T2-PD signal intensity contacting either the superior and/or inferior surfaces of the meniscus or both. Pure longitudinal tears spare the free edge of the meniscus

-<p>A <strong>longitudinal meniscal tear </strong>is a morphological sub type of meniscal tear where a component of the tear is seen extending in vertical orientation parallel to the circumference of the meniscus.</p><h5>Associations</h5><p>They are often always associated with a significant knee injury (especially an ACL tears).</p><h5>Location</h5><ul><li>almost always involve the posterior horns</li></ul><h4>Radiographic features</h4><h5>MRI</h5><p>They can be seen by the presence of a vertical line of increased T2-PD signal intensity contacting either the superior and/or inferior surfaces of the meniscus or both.</p>
+<p>A <strong>longitudinal meniscal tear </strong>is a morphological sub type of <a href="/articles/meniscal-tear">meniscal tear </a>where a component of the tear is seen extending in vertical orientation parallel to the circumference of the meniscus.</p><h4>Epidemiology</h4><p>They tend to occur in younger patients following significant knee trauma.</p><h5>Associations</h5><p>They are often always associated with a significant knee injury (especially an ACL tears).</p><h5>Location</h5><ul><li>almost always involve the posterior horns (often peripheral 3rd <sup>2</sup>)</li></ul><h4>Radiographic features</h4><h5>MRI</h5><p>They can be seen by the presence of a vertical line of increased T2-PD signal intensity contacting either the superior and/or inferior surfaces of the meniscus or both. Pure longitudinal tears spare the free edge of the meniscus</p>

References changed:

1. De Smet AA. How I diagnose meniscal tears on knee MRI. AJR Am J Roentgenol. 2012;199 (3): 481-99. <a href="http://dx.doi.org/10.2214/AJR.12.8663">doi:10.2214/AJR.12.8663</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/22915388">Pubmed citation</a><span class="auto"></span>
2. Nguyen JC, De Smet AA, Graf BK et-al. MR imaging-based diagnosis and classification of meniscal tears. Radiographics. 2014;34 (4): 981-99. <a href="http://dx.doi.org/10.1148/rg.344125202">doi:10.1148/rg.344125202</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/25019436">Pubmed citation</a><span class="auto"></span>

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