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Subunit-Based Intraflap Debulking Technique for Secondary Contouring After Free Flap Reconstruction.
Kyung-Eun Yoo1, Kyeong-Tae Lee1
1Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
Microsurgery
|June 3, 2026
Summary
A new subunit-based intraflap debulking technique effectively addresses excess tissue after free flap reconstruction. This safe method restores natural contours without complications, improving patient satisfaction with aesthetic outcomes.
Area of Science:
- Plastic surgery
- Reconstructive surgery
- Aesthetic surgery
Background:
- Secondary debulking is often necessary after free flap reconstruction, especially for flaps spanning multiple anatomical subunits.
- Traditional debulking methods struggle with central bulkiness and preserving natural contours.
- A novel subunit-based intraflap debulking technique was developed to address these challenges.
Purpose of the Study:
- To evaluate the safety and effectiveness of a subunit-based intraflap debulking technique for secondary contouring after free flap reconstruction.
- To assess the technique's ability to restore natural anatomical subunit borders.
Main Methods:
- Retrospective review of patients undergoing free flap reconstruction and subsequent subunit-based intraflap debulking (2021-2025).
- The technique involves intraflap incisions along subunit borders to remove central redundant tissue.
- Postoperative outcomes, including complications and healing time, were evaluated.
Main Results:
- Twenty-two cases, primarily lower extremity reconstructions (foot), were treated with the technique.
- The superficial circumflex iliac artery perforator flap was frequently used initially.
- No postoperative complications were observed, with a median healing time of 14 days.
- All patients reported satisfaction with aesthetic results.
Conclusions:
- The subunit-based intraflap debulking technique is a safe and effective method for secondary contouring in selected free flap cases.
- It allows for effective central debulking while restoring natural subunit boundaries.
- This approach enhances aesthetic outcomes after reconstructive surgery.