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Updated: Sep 1, 2025

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Published on: July 5, 2011

Closure of a Large Scalp Defect Using External Tissue Expansion.

Meryam Shikara¹, Suneet Waghmarae², Kalpesh T Vakharia^1,2

¹Department of Otorhinolaryngology-Head and Neck Surgery, University of Maryland Medical System, Baltimore, MD.

The Journal of Craniofacial Surgery

|August 15, 2022

Summary

This summary is machine-generated.

Scalp reconstruction for large defects is challenging. This case study shows how Integra, Negative Pressure Wound Therapy (NPWT), and DermaClose tissue expanders enabled primary closure of a large scalp defect, achieving good cosmetic results.

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Area of Science:

Plastic Surgery
Dermatology
Oncology

Background:

Scalp reconstruction presents challenges due to limited laxity and the hair-bearing nature of the tissue.
Traditional methods like primary closure, secondary intention, free flaps, and skin grafting have limitations for large defects, often resulting in poor cosmetic outcomes.
Dermatofibrosarcoma protuberans (DFSP) can require extensive resection, leading to significant scalp defects.

Purpose of the Study:

To describe a novel approach for reconstructing a large scalp defect resulting from multiple resections of dermatofibrosarcoma protuberans.
To evaluate the efficacy of Integra, Negative Pressure Wound Therapy (NPWT), and DermaClose continuous external tissue expansion for achieving primary closure and favorable cosmetic results in complex scalp reconstruction.

Main Methods:

A patient with a large parietal scalp defect after DFSP resection underwent serial debridements.
Integra (a dermal regeneration template) was applied to the exposed calvarium, followed by Negative Pressure Wound Therapy (NPWT).
After granulation tissue formation, two DermaClose continuous external tissue expanders were used to gradually reduce the wound size, enabling primary closure.

Main Results:

The combined use of Integra, NPWT, and DermaClose tissue expansion successfully facilitated the reduction of a large scalp defect.
Primary closure of the wound edges was achieved, covering a significant area with hair-bearing scalp.
The reconstruction resulted in satisfactory cosmetic outcomes for the patient.

Conclusions:

This technique offers a viable solution for reconstructing large, complex scalp defects, particularly those arising from oncologic resections.
The sequential application of Integra, NPWT, and continuous external tissue expansion can effectively manage exposed calvarium and facilitate defect closure.
This approach provides a method to achieve functional and aesthetically pleasing scalp reconstruction, preserving hair-bearing skin.