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Radiologic Features of Polyacrylamide Gel Mammoplasty

¹ Department of Diagnostic Imaging, KK Women's and Children's Hospital, 100 Bukit Timah Rd., Singapore 229899.
² Department of Diagnostic Radiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.

OBJECTIVE. The objective of our study was to describe the imaging features of polyacrylamide gel breast implants in women with and those without complications from mammoplasty.

CONCLUSION. Although polyacrylamide gel implants may mimic conventional implants on both sonography and MRI in women who do not have complications from mammoplasty, polyacrylamide gel implants have some distinguishing features. The imaging appearance of polyacrylamide gel implants is related to the technique of injection and whether there are any associated complications. The implants are usually in a retroglandular location. Mammography, sonography, and MRI can be used to evaluate short-term complications, although MRI appears to be the most sensitive. Common short-term complications include extravasation of polyacrylamide gel and secondary infection, which may be related to lactation. The long-term complications of polyacrylamide gel mammoplasty are unknown. Knowledge of the appearances of polyacrylamide gel implants in women with and those without complications from mammoplasty is useful in the radiologic evaluation of such patients.

Keywords: breast augmentation • breast cancer • breast cancer screening • mammoplasty • polyacrylamide gel

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