Abstract
Background
In addition to the already existing round cohesive gel-filled breast prostheses, anatomically shaped breast prostheses were introduced in 1990 to provide a more natural shape to the augmented or reconstructed breast. To date, however, it is unclear whether the anatomic configuration of the prostheses is maintained after subpectoral implantation. Recently, a three-dimensional (3D) magnetic resonance imaging (MRI) technique became available, offering a precise visualization of the prosthesis in vivo. Using this 3D MRI technique, this study aimed to compare the shape of commercially available round and anatomically shaped silicone gel-filled breast prostheses before and after implantation.
Methods
Using 3D MRI, 6 conventionally round and 12 symmetrically shaped silicone gel-filled prostheses were scanned in vitro. Scans were made in vivo 6 weeks after subpectoral implantation of these prostheses in nine patients. The in vivo 3D images were compared with the in vitro 3D images.
Results
Overall, a 3.5% decrease in projection was found on the in vivo images, as compared with the in vitro images. On the craniocaudally oriented images, a slight lateral shift of the cohesive gel was observed in the majority of the prostheses. Inamed Style 510 prostheses showed the best in vivo preservation of their configuration.
Conclusions
The results show that both the round and the anatomically shaped silicone prostheses in vivo largely maintain their original in vitro configuration after subpectoral implantation.
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Nipshagen, M.D., Beekman, W.H., Esmé, D.L. et al. Anatomically Shaped Breast Prosthesis in Vivo: A Change of Dimension?. Aesth Plast Surg 31, 540–543 (2007). https://doi.org/10.1007/s00266-007-0025-3
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DOI: https://doi.org/10.1007/s00266-007-0025-3