Target sign (choledocholithiasis)
Last revised by Frank Gaillard on 27 Jul 2022
Citation, DOI, disclosures and article data
Citation:
Gaillard F, Tatco V, Weerakkody Y, et al. Target sign (choledocholithiasis). Reference article, Radiopaedia.org (Accessed on 28 Jun 2024) https://doi.org/10.53347/rID-8060
rID:
8060
Article created:
Disclosures:
At the time the article was created Frank Gaillard had no recorded disclosures.
View Frank Gaillard's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Frank Gaillard had the following disclosures:
- Radiopaedia Australia Pty Ltd and Radiopaedia Events Pty Ltd, Director, Founder and CEO (Radiopaedia) (ongoing)
- Biogen Australia Pty Ltd, Investigator-Initiated Research Grant for CAD software in multiple sclerosis: finished Oct 2021 (past)
These were assessed during peer review and were determined to not be relevant to the changes that were made.
View Frank Gaillard's current disclosures
Revisions:
5 times, by
5 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Target sign in choledocholithiasis
The target sign of choledocholithiasis is a finding seen on contrast-enhanced CT and comprises:
- central density within the bile duct: stone
- surrounding low density: bile or mucosa
References
- 1. Miller Frank H., Caroline M. Hwang, Helena Gabriel et al. “Contrast-Enhanced Helical CT of Choledocholithiasis.” Am. J. Roentgenol. 181, no. 1 (July 1, 2003): 125-130. [Link].
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