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Some further characteristics of expanded tissue
Clinics in Plastic Surgery
|July 1, 1987
Summary
Tissue expansion for reconstructive surgery involves surrounding tissue migration, providing a "loan" of tissue. This "dividend" of increased tissue is maintained long-term, aiding surgical planning.
Area of Science:
- Plastic Surgery
- Tissue Engineering
- Regenerative Medicine
Background:
- Tissue expansion is crucial for local reconstructive procedures.
- Understanding the dynamics of tissue changes during expansion is vital for surgical outcomes.
Purpose of the Study:
- To investigate the components of tissue changes during expansion.
- To differentiate between initial tissue availability and long-term tissue increase.
Main Methods:
- Analysis of tissue changes during expansion and after flap elevation.
- Quantification of area changes and assessment of tissue characteristics.
Main Results:
- Expansion yields a 63% increase, reducing to 30% after inset, maintained for 3-4 months.
- Tissue increase results from stretch, reorientation, and cellular/extracellular component growth.
- Peripheral tissue shows normal appearance, suggesting increased mitotic activity rather than permanent thinning.
Conclusions:
- Tissue expansion involves both an initial 'loan' and a sustained 'dividend' of tissue.
- The 'dividend hypothesis' of sustained tissue increase remains valid, supporting its utility in reconstructive surgery planning.