Coup de poignard of Michon
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Coup de poignard of Michon refers to spinal subarachnoid hemorrhage, usually as a result of a spinal arteriovenous malformation (AVM).
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 thunderclap headache.
- 1. Greenberg MS. Handbook of neurosurgery. George Thieme Verlag. (2006) ISBN:313110886X. Read it at Google Books - Find it at Amazon