Coup de poignard of Michon

Last revised by Rohit Sharma ◉ on 23 May 2023

Citation, DOI, disclosures and article data

Citation:

Gaillard F, Sharma R, Jones J, Coup de poignard of Michon. Reference article, Radiopaedia.org (Accessed on 02 Jun 2023) https://doi.org/10.53347/rID-6716

DOI:

https://doi.org/10.53347/rID-6716

Permalink:

https://radiopaedia.org/articles/6716?iframe=true

rID:

6716

Article created:

10 Aug 2009, Frank Gaillard ◉ ◈

Disclosures:

At the time the article was created Frank Gaillard had no recorded disclosures.

View Frank Gaillard's current disclosures

Last revised:

23 May 2023, Rohit Sharma ◉

Disclosures:

At the time the article was last revised Rohit Sharma had no financial relationships to ineligible companies to disclose.

View Rohit Sharma's current disclosures

Revisions:

11 times, by 4 contributors - see full revision history and disclosures

Systems:

Vascular, Central Nervous System

Tags:

re-write

Synonyms:

coup de poignard of Michon

Coup de poignard of Michon refers to spinal subarachnoid hemorrhage, usually as a result of a spinal arteriovenous malformation (AVM).

Clinical presentation

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.

References

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Cases and figures

Case 1: arterial perforationCase 1: arterial perforation

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