Breast-implant texturing associated with delamination of capsular layers: A histological analysis of the double capsule phenomenon
Macro-texturing of breast implants was developed with the double goal of improving implant stabilization within the breast cavity and decreasing the rate of capsular contractures. However, recent evidence suggests that double capsular formation, a potentially worrisome phenomenon associated with lat...
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Veröffentlicht in: | Annales de chirurgie plastique et esthétique 2017-06, Vol.62 (3), p.196-201 |
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Zusammenfassung: | Macro-texturing of breast implants was developed with the double goal of improving implant stabilization within the breast cavity and decreasing the rate of capsular contractures. However, recent evidence suggests that double capsular formation, a potentially worrisome phenomenon associated with late seromas and biofilms, occurs with preponderance in macro-textured implants. Our objective was to analyze histologically different regions of double capsules to determine if they are more prone to mechanical movements.
A prospective analysis including patients undergoing second-stage expander to definitive breast-implant reconstruction post-mastectomy was conducted after intraoperative identification of the double capsule phenomenon. Two samples were collected from each capsules around the implant, located centrally and laterally. The specimens were sent for histological analysis by the institution's pathologist.
In total, 10 patients were identified intraoperatively with partial double capsule phenomenon. Among samples retrieved from the lateral aspect of the breast implant, all were associated with delamination and fractures in the collagen matrix of the double capsules. This phenomenon was not observed in any sample from the dome of the breast.
Breast-implant macro-texturing plays an important role on delamination of capsules on lateral portions of the breast, which may have an etiologic role in double capsule formation. Manufacturing implants with macro-texturing on one side and smooth surface on the other could diminish mechanical shear forces responsible for these findings.
La macro-texturation des implants mammaires a été développée avec l’objectif d’améliorer la stabilité de l’implant au sein de la cavité mammaire et de diminuer le taux de contracture capsulaire. Toutefois, des données récentes suggèrent que la formation de capsules doubles, qui est un phénomène potentiellement inquiétant associé avec les sérums tardifs et les biofilms, se produit avec prépondérance dans les implants macro-texturés. Notre objectif était d’analyser les différentes régions des capsules doubles sur des lames histologiques afin de déterminer si elles sont plus susceptibles aux mouvements mécaniques.
Une analyse prospective, incluant des patients opérés en deux temps par exandeur puis pour une reconstruction mammaire définitive par implant, a été effectuée après une identification peropératoire du phénomène de la capsule double. Deux échantillons ont été prélevés pour chaque |
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ISSN: | 0294-1260 1768-319X |
DOI: | 10.1016/j.anplas.2017.02.001 |