Grading of brachial plexus injuries
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According to CT myelography, brachial plexus injuries can be classified into six types1:
-
N type
-:normal root sleeve and nerve roots -
A1 type
-:slightly deformed root sleeves and nerve roots as compared to unaffected site -
A2 type
-:obliteration of the tip of root sleeves and deformed thickened nerve root -
A3 type
-: obliteration of the tip of root sleeves and absent nerve root -
D type
-: root sleeve defect -
M type
-: traumatic meningocele formation
Image and illustration examples for each of the types above are shown in Yoshikawa et al 2006.2.
-<p>According to CT myelography, <strong><a title="Brachial plexus injuries" href="/articles/brachial-plexus-injuries">brachial plexus injuries</a></strong> can be classified into six types<sup>1</sup>:</p><ul>-<li>-<strong>N type - </strong>normal root sleeve and nerve roots</li>-<li>-<strong>A1 type - </strong>slightly deformed root sleeves and nerve roots as compared to unaffected site</li>-<li>-<strong>A2 type - </strong>obliteration of the tip of root sleeves and deformed thickened nerve root</li>-<li>-<strong>A3 type</strong> - obliteration of the tip of root sleeves and absent nerve root</li>-<li>-<strong>D type -</strong> root sleeve defect</li>-<li>-<strong>M type</strong> - traumatic meningocele formation</li>-</ul><p>Image and illustration examples for each of the types above are shown in Yoshikawa et al 2006.<sup>2</sup></p>- +<p>According to CT myelography, <strong><a href="/articles/brachial-plexus-injuries">brachial plexus injuries</a></strong> can be classified into six types <sup>1</sup>:</p><ul>
- +<li>
- +<strong>N type</strong>:<strong> </strong>normal root sleeve and nerve roots</li>
- +<li>
- +<strong>A1 type</strong>:<strong> </strong>slightly deformed root sleeves and nerve roots as compared to unaffected site</li>
- +<li>
- +<strong>A2 type</strong>:<strong> </strong>obliteration of the tip of root sleeves and deformed thickened nerve root</li>
- +<li>
- +<strong>A3 type</strong>: obliteration of the tip of root sleeves and absent nerve root</li>
- +<li>
- +<strong>D type</strong>: root sleeve defect</li>
- +<li>
- +<strong>M type</strong>: traumatic meningocele formation</li>
- +</ul><p>Image and illustration examples for each of the types above are shown in Yoshikawa et al 2006 <sup>2</sup>.</p>