Blumensaat line

Changed by Yuranga Weerakkody, 4 Oct 2015

Updates to Synonym Attributes

Updates to Article Attributes

Body was changed:

Blumensaat line corresponds to the roof of intercondylar notch of the femur as seen on lateral radiograph of knee joint. It has been used for:

  • indicating relative position of patella (normally this line intersects the lower pole of patella)
  • suggesting ACL injury (normal ACL Blumensaat angle is less than or equal to 15o)

It may not always be straight and three types have been described 3

  • straight: ~ 35%
  • small hill: ~ 20% 
  • large hill: ~ 45%
  • +</ul><p>It may not always be straight and three types have been described <sup>3</sup></p><ul>
  • +<li>straight: ~ 35%</li>
  • +<li>small hill: ~ 20% </li>
  • +<li>large hill: ~ 45%</li>

References changed:

  • 3. Iriuchishima T, Ryu K, Aizawa S et-al. Blumensaat's line is not always straight: morphological variations of the lateral wall of the femoral intercondylar notch. Knee Surg Sports Traumatol Arthrosc. . <a href="http://dx.doi.org/10.1007/s00167-015-3579-7">doi:10.1007/s00167-015-3579-7</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/25805709">Pubmed citation</a><span class="auto"></span>

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