Archives of Plastic Surgery

Korean Society of Plastic and Reconstructive Surgeons (대한성형외과학회)
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Serial Tissue Expansion at the Same Site in Pediatric Patients: Is the Subsequent Expansion Faster?

  • Lee, Moon Ki (Department of Plastic and Reconstructive Surgery, Institute of Human-Environment Interface Biology, Seoul National University College of Medicine) ;
  • Park, Seong Oh (Department of Plastic and Reconstructive Surgery, Institute of Human-Environment Interface Biology, Seoul National University College of Medicine) ;
  • Choi, Tae Hyun (Department of Plastic and Reconstructive Surgery, Institute of Human-Environment Interface Biology, Seoul National University College of Medicine)
  • Received : 2017.05.24
  • Accepted : 2017.10.18
  • Published : 2017.11.18
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Abstract

Background Serial tissue expansion is performed to remove giant congenital melanocytic nevi. However, there have been no studies comparing the expansion rate between the subsequent and preceding expansions. In this study, we analyzed the rate of expansion in accordance with the number of surgeries, expander location, expander size, and sex. Methods A retrospective analysis was performed in pediatric patients who underwent tissue expansion for giant congenital melanocytic nevi. We tested four factors that may influence the expansion rate: The number of surgeries, expander location, expander size, and sex. The rate of expansion was calculated by dividing the 'inflation amount' by the 'expander size'. Results The expansion rate, compared with the first-time group, was 1.25 times higher in the second-or-more group (P=0.04) and 1.84 times higher in the third-or-more group (P<0.01). The expansion rate was higher at the trunk than at other sites (P<0.01). There was a tendency of lower expansion rate for larger expanders (P=0.03). Sex did not affect the expansion rate. Conclusions There was a positive correlation between the number of surgeries and the expansion rate, a positive correlation between the expander location and the expansion rate, and a negative correlation between the expander size and the expansion rate.

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References

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  1. Management of Congenital Melanocytic Nevus on Face Using Multiple Re-expansion Method : Aesthetic and Psychosocial Results vol.30, pp.8, 2017, https://doi.org/10.1097/scs.0000000000006000
  2. OPTIMIZATION OF OPERATIVE ACCESSORIES OF MAXILLOFACIAL LOCALIZATION: REVIEW OF LITERATURE vol.2019, pp.4, 2019, https://doi.org/10.29254/2077-4214-2019-4-1-153-35-38
  3. Multifactorial analysis of the surgical outcomes of giant congenital melanocytic nevi: Single versus serial tissue expansion vol.47, pp.6, 2017, https://doi.org/10.5999/aps.2020.01494