Breast implant surface topography triggers a chronic-like inflammatory response
Valeriano Vinci1,2, Cristina Belgiovine3,4, Gerardus Janszen5
1IRCCS Humanitas Research Hospital, Rozzano, Italy valeriano.vinci@hunimed.eu.
Life Science Alliance
|February 21, 2024
Summary
Textured breast implants, particularly macrotextured ones, trigger a stronger immune response and inflammation compared to microtextured surfaces. This chronic inflammation may increase lymphoma risk in patients with breast implants.
Area of Science:
- Biomaterials Science
- Immunology
- Oncology
Background:
- Breast implants are widely used for reconstructive and aesthetic reasons.
- Concerns exist regarding the safety of textured breast implants, including links to anaplastic large-cell lymphoma and breast cancer recurrence.
Purpose of the Study:
- To compare the immune responses induced by macrotextured versus microtextured breast implant surfaces.
- To investigate the role of implant surface topography in chronic inflammation and potential lymphoma development.
Main Methods:
- Analysis of periprosthetic fluids obtained during surgery.
- In vitro cell culture experiments using surface replicas of breast implants.
- Fluorescent imaging to study leucocyte behavior on different surfaces.
Main Results:
- Macrotextured surfaces induced a more significant chronic-like leucocyte activation and higher inflammatory cytokine release than microtextured surfaces.
- Lymphocyte accumulation within the cavities of macrotextured surfaces was observed, suggesting physical entrapment contributes to activation.
- Implant surface topography significantly influences the inflammatory environment.
Conclusions:
- Macrotextured breast implants promote a chronic inflammatory environment more than microtextured ones.
- This heightened inflammation, potentially driven by leucocyte entrapment, may be a factor in implant-associated lymphomas.
- Surface topography is a critical factor in the biological response to implantable devices.
