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Related Experiment Videos

Variations in epidermal thickness in expanded human breast skin

M Olenius1, O Johansson

  • 1Department of Plastic and Reconstructive Surgery, Karolinska Hospital, Stockholm, Sweden.

Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery
|March 1, 1995
PubMed
Summary

Tissue expansion temporarily increases epidermal thickness in breast reconstruction patients. This thickness returns to normal six months after expansion ceases, indicating a reversible change.

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Area of Science:

  • Plastic Surgery
  • Dermatology
  • Regenerative Medicine

Background:

  • Tissue expansion is a common technique for breast reconstruction.
  • Morphological changes, including epidermal and dermal thickness alterations, occur during tissue expansion.
  • Human studies on these changes are limited.

Purpose of the Study:

  • To investigate changes in epidermal thickness during and after tissue expansion for breast reconstruction in women.
  • To assess the reversibility of epidermal thickening post-expansion.

Main Methods:

  • Biopsies of expanded breast skin were taken from 11 women at three time points: before expansion, at maximal expansion, and six months post-reconstruction.
  • Light microscopy was used to assess epidermal thickness.

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Main Results:

  • A statistically significant increase in epidermal thickness was observed at maximal expansion (p < 0.05).
  • Epidermal thickness before expansion and six months after reconstruction showed no significant difference.

Conclusions:

  • Tissue expansion leads to a temporary increase in epidermal thickness.
  • The epidermis returns to its baseline thickness within six months of completing tissue expansion.