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Updated: May 20, 2026

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Subcutaneous approximation suture for preventing soft tissue pollybeak deformity.

Fuat Tosun¹, Hasan Huseyin Arslan, Yusuf Hidir

¹Department of Otorhinolaryngology-Head and Neck Surgery, Gulhane Military Medical School, Etlik 06018, Ankara, Turkey. fuattosun@yahoo.com

American Journal of Rhinology & Allergy

|July 18, 2012

Summary

A modified subcutaneous approximation suture effectively reduced scar tissue formation in rabbit rhinoplasty, preventing pollybeak deformity. This technique shows promise for minimizing post-surgical fibrosis in the supratip nasal region.

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Area of Science:

Plastic Surgery
Biomedical Engineering
Histology

Background:

Pollybeak deformity, characterized by supratip fibrosis post-rhinoplasty, remains a prevalent complication.
Soft tissue origin deformities are particularly challenging to manage.
This study addresses the need for effective interventions to prevent such outcomes.

Purpose of the Study:

To evaluate the efficacy of a modified horizontal subcutaneous approximation suture in mitigating pollybeak deformity.
To investigate the suture's impact on reducing subcutaneous scar tissue formation in the supratip region.
To compare the suture technique against external tape fixation and standard closure methods.

Main Methods:

A study involving three groups of eight rabbits each was conducted.

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Last Updated: May 20, 2026

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Rhinoplasty was performed using an open approach, with nasal skin elevation.

A horizontal subcutaneous approximation suture was applied in Group I, external tape in Group II, and standard closure in the control group.

Supratip skin biopsy specimens were collected on day 60 for histological analysis of subcutaneous scar tissue thickness.

Main Results:

Group I, utilizing the subcutaneous approximation suture, exhibited significantly lower mean scar tissue thickness (0.98 ± 0.32 mm) compared to Group II (1.65 ± 0.61 mm) and the control group (1.72 ± 0.49 mm).
Statistical significance was observed between Group I and both the control (p = 0.019) and Group II (p = 0.036).
No significant difference in scar tissue thickness was found between Group II and the control group (p = 1.000).

Conclusions:

The modified subcutaneous approximation suture effectively inhibited excessive scar tissue formation in the supratip area following rhinoplasty in a rabbit model.
This technique demonstrates potential for preventing pollybeak deformity of soft tissue origin.
Further clinical investigations are warranted to confirm the efficacy of this suture in human patients.