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Clinical Applications of Punch-Based Techniques in Dermatologic Surgery
Mingtu Du1, Haiyan Qin1, Lianbo Zhang1
1Department of Plastic Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin Province, People's Republic of China.
Clinical, Cosmetic and Investigational Dermatology
|April 16, 2026
Summary
Punch-based dermatologic surgery offers precise, minimally invasive therapeutic options. While effective for hair restoration (follicular unit extraction), evidence for other conditions like scars and vitiligo is more varied, requiring further study.
Area of Science:
- Dermatologic Surgery
- Minimally Invasive Procedures
Background:
- Punch-based techniques are increasingly utilized therapeutically in dermatologic surgery.
- Their applications extend beyond diagnostics to various dermatologic conditions.
Purpose of the Study:
- To review the current therapeutic uses of punch-based techniques.
- To evaluate the strengths and limitations of existing evidence for these procedures.
Main Methods:
- Literature review of therapeutic applications of punch-based techniques.
- Analysis of evidence supporting efficacy across different dermatologic conditions.
Main Results:
- Follicular unit extraction (FUE) shows predictable outcomes for androgenetic alopecia.
- Efficacy for scar improvement, vitiligo, wound repair, pilonidal sinus, and keloids is heterogeneous and depends on disease factors and treatment strategies.
- Punch elevation may benefit atrophic acne scars; punch excision offers cosmetic advantages for benign lesions.
Conclusions:
- Punch-based techniques are precise and tissue-preserving therapeutic options in dermatologic surgery.
- Clinical value varies significantly by indication, with limited long-term controlled data.
- Further standardized, prospective studies are needed to establish long-term efficacy and optimal treatment algorithms.
