Keyhole sign (intracapsular breast implant rupture)
Citation, DOI, disclosures and article data
Citation:
Khader.O.Thabet M, Bell D, Murphy A, et al. Keyhole sign (intracapsular breast implant rupture). Reference article, Radiopaedia.org (Accessed on 20 Mar 2025) https://doi.org/10.53347/rID-61213
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rID:
61213
Article created:
24 Jun 2018,
Mohammed Al Khader.O.Thabet
Disclosures:
At the time the article was created Mohammed Al Khader.O.Thabet had no recorded disclosures.
View Mohammed Al Khader.O.Thabet's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Andrew Murphy had no financial relationships to ineligible companies to disclose.
View Andrew Murphy's current disclosures
Revisions:
5 times, by
5 contributors -
see full revision history and disclosures
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Synonyms:
- Noose sign (intracapsular breast implant rupture)
- Noose signs (intracapsular breast implant rupture)
- Keyhole signs (intracapsular breast implant rupture)
The keyhole or noose sign indicates an uncollapsed intracapsular breast implant rupture seen as the focal invagination of the implant shell caused by a small concealed leak of silicone outside shell where the two membranes do not contact each other. It is best appreciated on breast MRI.
Differential diagnosis
References
- 1. Juanpere S, Perez E, Huc O, Motos N, Pont J, Pedraza S. Imaging of Breast Implants-A Pictorial Review. Insights Imaging. 2011;2(6):653-70. doi:10.1007/s13244-011-0122-3 - Pubmed
- 2. Yang N & Muradali D. The Augmented Breast: A Pictorial Review of the Abnormal and Unusual. AJR Am J Roentgenol. 2011;196(4):W451-60. doi:10.2214/AJR.10.4864 - Pubmed
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