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Updated: Apr 25, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
Published on: March 1, 2015
Single-stage interpolation flaps in facial reconstruction.
S Tyler Hollmig1, Brian C Leach, Joel Cook
1*Department of Dermatology, Stanford University Medical Center, Palo Alto, California; †Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, South Carolina.
Single-stage interpolation flaps offer a versatile solution for reconstructing complex surgical defects near free margins when local flaps are not feasible. These flaps provide robust vascularity and allow for precise contouring in a single operative session.
Area of Science:
- Plastic Surgery
- Reconstructive Surgery
- Surgical Oncology
Background:
- Complex surgical defects, especially near free margins, pose significant reconstructive challenges.
- Local flap options may be limited by anatomical constraints.
- Interpolation flaps can be modified for single-stage reconstruction of difficult wounds.
Purpose of the Study:
- To establish a framework for managing soft tissue defects near free margins.
- To demonstrate the design and execution of single-stage interpolation flaps for reconstruction.
- To address challenging wounds in a single operative session.
Main Methods:
- Review of single-stage interpolation flap utilization.
- Anatomical region-based analysis of flap application.
- Surgical approach considerations for flap design.
Main Results:
- Demonstration of flap conceptualization, design, and execution based on anatomical region.
- Successful reconstruction of various defects involving free margins.
Conclusions:
- Single-stage interpolation flaps (tunneled, transposed, deepithelialized) offer versatile reconstruction options.
- Robust flap vascularity supports tissue bulk importation and intricate contouring.
- Strategic flap design enables access to distant tissue and preserves single-stage benefits.
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