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Transverse V-Y Mucosal Advancement Flap for Reconstruction of Labial Mucosal Defects: A Clinical Application
Yiting Liu1,2,3,4,5, Ruohuang Lu6, Pingping Gan1,2,3,4,5
1Department of Oncology, Xiangya Hospital, Central South University, Changsha, China.
The Journal of Craniofacial Surgery
|August 4, 2026
Summary
The transverse V-Y advancement mucosal flap is a reliable technique for lip defect reconstruction. This method ensures good functional and aesthetic outcomes with minimal complications.
Area of Science:
- Plastic Surgery
- Oral and Maxillofacial Surgery
- Reconstructive Surgery
Background:
- Lip mucosal defects can result from benign or early-stage malignant lesions.
- Reconstruction aims to restore function and aesthetics while minimizing morbidity.
Purpose of the Study:
- To evaluate the clinical efficacy of the transverse V-Y advancement mucosal flap for small- to medium-sized lip mucosal defects.
Main Methods:
- Retrospective review of 17 patients undergoing lip reconstruction with transverse V-Y advancement mucosal flaps.
- Flaps were designed, advanced horizontally, and inset using V-Y closure; donor sites were closed primarily.
- Evaluation of flap survival, complications, and functional/aesthetic outcomes.
Main Results:
- All 17 flaps survived with primary wound healing; no recurrence observed during a median 15-month follow-up.
- Defect sizes ranged from 1.5x1.5 cm to 2.0x2.5 cm.
- Satisfactory lip symmetry, normal mouth opening, preserved lip mobility, and excellent tissue integration with no major complications.
Conclusions:
- The transverse V-Y advancement mucosal flap is a reliable, simple technique with robust vascularity.
- It effectively utilizes adjacent tissues, avoiding dog-ear deformities and additional injury.
- This flap is an effective option for reconstructing partial-thickness lip mucosal defects.