Chamberlain line

Changed by Tim Luijkx, 25 Oct 2014

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Chamberlain's line
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Chamberlain’s line line is a line joining the back of hard palate with the posterior lip of the foramen magnum on a lateral view of the craniocervical junction.

Significance

It helps to recognizerecognise basilar invagination which is said to be present if the tip of the dens is > 3mm;3 mm above this line.

McGregor developed a modification of  thethe Chamberlain line for when the opisthion could could not be identified on plain radiographs.

  • -<p><strong>Chamberlain’s line </strong>is a line joining the back of hard palate with the posterior lip of the foramen magnum on a lateral view of the craniocervical junction.</p><h5>Significance</h5><p>It helps to recognize <a href="/articles/basilar-invagination">basilar invagination</a> which is said to be present if the tip of the dens is &gt; 3mm above this line.</p><p><a href="/articles/mcgregor-line-1">McGregor </a>developed a modification of  the Chamberlain line when the opisthion could not be identified on plain radiographs.</p>
  • +<p><strong>Chamberlain line </strong>is a line joining the back of hard palate with the posterior lip of the foramen magnum on a lateral view of the craniocervical junction.</p><h5>Significance</h5><p>It helps to recognise <a href="/articles/basilar-invagination">basilar invagination</a> which is said to be present if the tip of the dens is &gt;3 mm above this line.</p><p><a href="/articles/mcgregor-line-1">McGregor </a>developed a modification of the Chamberlain line for when the opisthion could not be identified on plain radiographs.</p>

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ChamberlainsChamberlain's line
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