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Related Experiment Videos

Scar-length reduction by ring-shaped expansion

P L Tonnard1, S J Monstrey, K H Van Landuyt

  • 1Department of Plastic Surgery, University Hospital Gent, Belgium.

Annals of Plastic Surgery
|December 1, 1994
PubMed
Summary
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A novel ring-shaped tissue expander minimizes scar length after skin lesion removal. This differential expansion technique offers improved cosmetic outcomes compared to traditional methods.

Area of Science:

  • Plastic Surgery
  • Dermatologic Surgery

Background:

  • Conventional tissue expanders (rectangular, round) often lead to significant dog-ear formation and elongated scars post-excision.
  • Croissant-shaped expanders partially mitigate these issues, but further optimization is sought.

Observation:

  • A new ring-shaped expander design utilizes differential expansion principles.
  • Placed under normal skin surrounding a lesion, it allows for controlled skin stretching.

Findings:

  • After achieving adequate expansion, the skin lesion is excised.
  • The defect is closed using a running subcuticular suture, drawing skin centripetally.
  • This technique results in a scar shorter than the lesion's maximal diameter.

Implications:

Related Experiment Videos

  • This innovative approach shows promise for reducing scar length and improving cosmetic results in tissue expansion.
  • Early results in two patients on the back and upper arm are encouraging.
  • Further investigation may establish this method as a superior alternative for skin lesion removal and reconstruction.