Bright dot sign (atypical liver hemangioma)
Last revised by Juan Janse van Rensburg
on 22 Mar 2021
Citation, DOI, disclosures and article data
Citation:
Bashir U, Rensburg J, Tatco V, et al. Bright dot sign (atypical liver hemangioma). Reference article, Radiopaedia.org (Accessed on 06 Mar 2025) https://doi.org/10.53347/rID-18355
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rID:
18355
Article created:
2 Jul 2012,
Usman Bashir
Disclosures:
At the time the article was created Usman Bashir had no recorded disclosures.
View Usman Bashir's current disclosures
Last revised:
22 Mar 2021,
Juan Janse van Rensburg
Disclosures:
At the time the article was last revised Juan Janse van Rensburg had no recorded disclosures.
View Juan Janse van Rensburg's current disclosures
Revisions:
3 times, by
3 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Bright dot sign in atypical haemangioma of the liver
- Bright dot sign
The bright dot sign refers to the presence of a bright dot within a lesion which remains hypoattenuating on arterial and portal venous phase CT, corresponding to early nodular enhancement seen on dynamic MRI of liver hemangioma.
This can be used as an indicator that the lesion in question is a hemangioma (and not a metastasis). Dynamic MRI should be confirmatory.
References
- 1. Jang HJ, Choi BI, Kim TK et-al. Atypical small hemangiomas of the liver: "bright dot" sign at two-phase spiral CT. Radiology. 1998;208 (2): 543-8. Radiology (citation) - Pubmed citation
- 2. Jang HJ, Kim TK, Lim HK et-al. Hepatic hemangioma: atypical appearances on CT, MR imaging, and sonography. AJR Am J Roentgenol. 2003;180 (1): 135-41. AJR Am J Roentgenol (citation) - Pubmed citation
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