Related Experiment Video
Updated: May 23, 2026

Murine Full-thickness Skin Transplantation
Published on: January 2, 2017
Defying consensus: correct sizing of full-thickness skin grafts
Isaac Zilinsky1, Nimrod Farber, Oren Weissman
1Mohs Micrographic Surgery Unit, Israel.
This study examined the size of full-thickness skin grafts and the defects they are used to cover. The researchers found that grafts tend to shrink after being excised, leading to oversized grafts if not accounted for. The study analyzed 20 cases and found consistent differences in graft and defect dimensions. The findings suggest that grafts should be intentionally smaller than the defect to avoid poor aesthetic outcomes. The results may help surgeons improve graft sizing and surgical outcomes.
Area of Science:
- Plastic and Reconstructive Surgery
- Wound Healing and Tissue Repair
- Surgical Techniques and Outcomes
Background:
Surgeons commonly use full-thickness skin grafts to repair tissue defects. Traditionally, grafts are sized to match the defect exactly. However, this approach may lead to oversized grafts and unsatisfactory results. Prior research has shown that grafts may shrink after excision. That uncertainty drove this study to investigate whether grafts should be intentionally smaller than the defect. No prior work had resolved the exact size discrepancy. This gap motivated the analysis of graft and defect dimensions. The study aimed to clarify whether graft shrinkage is predictable. The findings may help surgeons avoid oversized grafts. The results could improve aesthetic outcomes in reconstructive surgery.
Purpose Of The Study:
The goal of this study was to assess whether full-thickness skin grafts shrink after excision. Surgeons often size grafts to match the defect exactly. This may result in oversized grafts and poor outcomes. The researchers sought to determine if grafts should be intentionally smaller than the defect. They reviewed data from 20 cases of full-thickness excisions. The study aimed to measure the difference between graft and defect dimensions. The motivation was to improve graft sizing and aesthetic outcomes. The findings may guide surgeons in planning graft size more accurately.
Main Methods:
The researchers reviewed data from 20 cases of full-thickness skin excisions. They measured the dimensions of both the excised graft and the defect site. The study compared the length of the short and long axes of each graft and defect. The analysis focused on identifying consistent differences in size. The researchers used standard surgical measurement tools. No additional interventions were performed. The data was collected from surgical records and measurements. The findings were based on observed differences in graft and defect dimensions.
Main Results:
The study found a significant difference in length between the excised graft and the defect site. The short and long axes of the graft were consistently shorter than those of the defect. The average discrepancy was notable across all 20 cases. The findings suggest that grafts shrink after excision. The reduction in size may lead to oversized grafts if not accounted for. The results indicate that grafts should be smaller than the defect. The study provides evidence for adjusting graft size in surgical planning. These findings may improve aesthetic outcomes in reconstructive surgery.
Conclusions:
The authors suggest that full-thickness skin grafts should be intentionally smaller than the defect. The study found consistent differences in graft and defect dimensions. The findings may help surgeons avoid oversized grafts. The results indicate that grafts shrink after excision. The authors propose that graft sizing should account for this shrinkage. The study provides evidence for adjusting graft size in surgical planning. The findings may improve aesthetic outcomes in reconstructive surgery. The authors emphasize the importance of precise graft sizing.
Frequently Asked Questions
The study found that full-thickness skin grafts shrink after excision, leading to oversized grafts if not adjusted.
The researchers measured the short and long axes of both the excised graft and the defect site using standard surgical tools.
Graft shrinkage may lead to oversized grafts, which can result in poor aesthetic outcomes if not adjusted for in planning.
The study analyzed data from 20 cases of full-thickness skin excisions.
The findings suggest that grafts should be intentionally smaller than the defect to account for post-excision shrinkage.
The study provides evidence that graft sizing should be adjusted to prevent oversized grafts and improve aesthetic outcomes.

