Coup de poignard of Michon
Disclosures
- updated 17 Aug 2022:
Nothing to disclose
Updates to Article Attributes
Body
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Coup de poignard of Michon refers to spinal subarachnoid haemorrhage, usually as a result of a spinal AVMarteriovenous malformation (AVM).
Clinical presentation
Presentation is with sudden excruciating back pain, akin to being stabbed with a dagger (poignard = frenchis French for dagger). It is the corollary of the thunderclap headache.
-<p><strong>Coup de poignard of Michon</strong> refers to spinal <a href="/articles/subarachnoid-haemorrhage">subarachnoid haemorrhage</a>, usually as a result of a <a href="/articles/spinal-avm">spinal AVM</a>. </p><p>Presentation is with sudden excruciating back pain, akin to being stabbed with a dagger (poignard = french for dagger). It is the corollary of the <a href="/articles/thunderclap-headache">thunderclap headache</a>. </p>- +<p><strong>Coup de poignard of Michon</strong> refers to spinal <a href="/articles/subarachnoid-haemorrhage">subarachnoid haemorrhage</a>, usually as a result of a <a href="/articles/spinal-avm">spinal arteriovenous malformation (AVM)</a>.</p><h4>Clinical presentation</h4><p>Presentation is with sudden excruciating back pain, akin to being stabbed with a dagger (poignard is French for dagger). It is the corollary of the <a href="/articles/thunderclap-headache">thunderclap headache</a>.</p>
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Images Changes:
Image 1 DSA (angiography) (Arterial perforation) ( update )
Caption
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Case 1: Arterialarterial perforation