Related Experiment Videos
[Subcutaneous preservation of an amputated auricle. Morphological changes]
R Staudenmaier1, J Aigner, J Hölzl
1Klinik und Poliklinik für Hals-Nasen-Ohrenkranke, Ludwig-Maximilians-Universität München.
Laryngo- Rhino- Otologie
|June 6, 2000
Summary
Preserving a traumatically avulsed auricle in a skin pocket for reconstruction showed limited success. The cartilage underwent significant morphologic changes, necessitating traditional reconstruction methods.
Area of Science:
- Plastic Surgery
- Reconstructive Surgery
- Auricular Reconstruction
Background:
- Microsurgical replantation of avulsed auricles presents reconstructive challenges.
- Secondary reconstruction often involves costal cartilage grafts or prostheses.
- Preserving the amputated auricle via subcutaneous implantation aims to reduce donor-site morbidity.
Observation:
- This study details histologic changes in a completely avulsed auricle preserved for eight months in a skin pocket.
- Morphologic alterations included ossification and fibrous tissue infiltration.
- Compared macroscopic and microscopic morphology to native cartilage under denutrition and heterotopic implantation conditions.
Findings:
- Cartilage conservation in a subcutaneous pocket resulted in significant morphologic changes.
- Observed ossification and fibrous tissue infiltration within the preserved cartilage.
- The altered cartilage was unsuitable for primary reconstructive use.
Implications:
- Limited success in cartilage conservation necessitates conventional reconstruction methods.
- Autologous costal cartilage remains a reliable option for auricular reconstruction.
- Further research may explore optimized methods for in-situ cartilage preservation.