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Updated: Jul 19, 2026

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Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics
Published on: April 16, 2017
[Microscopic study on skin and soft tissue after repeated expansion].
Yang Wang1, Ran Huo, Hong-Bo Hao
1Department of Orthopedics, Tengzhou Central People's Hospital, Tengzhou 277500, China.
Summary
Repeated skin expansion is safe and feasible, showing overall healthy tissue with increased cell proliferation and repair despite minor collagen fiber injuries. This method supports tissue regeneration for clinical applications.
Area of Science:
- Dermatology
- Tissue Engineering
- Regenerative Medicine
Context:
- Tissue expansion is a common technique in reconstructive surgery.
- Understanding the histological effects of repeated expansion is crucial for optimizing clinical outcomes.
- Previous studies have focused on single expansion cycles, leaving the impact of repeated cycles less explored.
Purpose:
- To evaluate the microscopic changes in skin and soft tissue following repeated expansion.
- To compare the histological and ultrastructural effects of repeated expansion versus conventional expansion.
- To assess the role of basic fibroblast growth factor (bFGF) in tissue response to repeated expansion.
Summary:
- Repeated skin expansion resulted in generally healthy skin and soft tissue.
- Microscopic analysis revealed more significant changes in the repeated expansion group compared to conventional expansion, including evident collagen fiber injury.
- Cellular responses included slight injury, increased proliferation, and enhanced activation, alongside elevated bFGF content.
Impact:
- Repeated expansion demonstrates a capacity for tissue regeneration and repair, indicating its safety and feasibility for clinical use.
- The findings suggest that repeated expansion can be a viable option for tissue augmentation, balancing injury with enhanced repair mechanisms.
- This research provides valuable insights into the biological responses of skin and soft tissue to repeated mechanical stress, informing future reconstructive procedures.
