CT comma sign (head)
Last revised by Andrew Murphy on 25 Apr 2019
Citation, DOI, disclosures and article data
Citation:
Venkatesh M, Murphy A, Goel A, et al. CT comma sign (head). Reference article, Radiopaedia.org (Accessed on 28 Mar 2024) https://doi.org/10.53347/rID-25210
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rID:
25210
Article created:
12 Oct 2013,
Manchikanti Venkatesh
Disclosures:
At the time the article was created Manchikanti Venkatesh had no recorded disclosures.
View Manchikanti Venkatesh's current disclosures
Last revised:
25 Apr 2019,
Andrew Murphy ◉
Disclosures:
At the time the article was last revised Andrew Murphy had no recorded disclosures.
View Andrew Murphy's current disclosures
Revisions:
4 times, by
4 contributors -
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The CT comma sign is a characteristic sign seen in head trauma. It is the presence of concurrent epidural and subdural hematomas, which gives the characteristic appearance of this sign as a "comma" shape.
References
- 1. Monsalve GA. The "CT comma sign" in head trauma: concurrent epidural and subdural acute intracranial hematomas. J Trauma. 2007;63 (1): 195-6. doi:10.1097/TA.0b013e318067e2c9 - Pubmed citation