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Fish-Scale Grafts in Rhinoplasty: Ultra-thin, Ultra-viable
Sabri Ozturk1, Memet Yazar2, Kamuran Zeynep Sevim3
1Department of Plastic, Reconstructive and Aesthetic Surgery, Bagcilar Training and Research Hospital, University of Health Sciences, Istanbul, Turkey. md.sabriozturk@gmail.com.
Aesthetic Plastic Surgery
|August 6, 2026
Summary
A novel fish-scale cartilage graft technique shows superior survival and proliferation compared to traditional methods in rhinoplasty. This innovative approach minimizes chondrocytic damage, offering a promising alternative for cartilage reconstruction.
Area of Science:
- Regenerative Medicine
- Biomaterials Science
- Plastic Surgery
Background:
- Cartilage regeneration is limited, posing challenges in rhinoplasty.
- Conventional graft processing can damage cartilage, affecting outcomes.
- A novel ultra-thin fish-scale cartilage graft was developed.
Purpose of the Study:
- To evaluate the viability, proliferation, and survival of fish-scale cartilage grafts.
- To compare the novel technique with conventional cartilage processing methods.
Main Methods:
- Auricular cartilage grafts from New Zealand rabbits were processed into five groups: solid-block, fish-scale, crushed, diced, and fascia-wrapped diced.
- Grafts were implanted, and after eight weeks, evaluated macroscopically and histopathologically.
- Weight analysis and specific staining techniques (H&E, Masson's trichrome, toluidine blue) were employed.
Main Results:
- Fish-scale cartilage grafts showed significantly higher weight gain, chondrocyte proliferation, and viability (p<0.01).
- Histopathology revealed preserved cartilage architecture and enhanced peripheral chondrocyte proliferation in the fish-scale group.
- Fascia-wrapped diced cartilage had the greatest volume loss and lowest survival rates.
Conclusions:
- The fish-scale cartilage graft technique maximizes surface area for diffusion, enhancing survival and proliferation.
- This method offers a potentially reliable alternative for rhinoplasty, reducing resorption and irregularities.
- Minimal chondrocytic damage in fish-scale grafts is key to their superior performance.
