Microtia Reconstruction

Objective: Reconstruction of microtia is a challenging issue in otology and reconstruction surgery. Autogenous costochondral reconstruction is the most widely accepted approach; however, it is time-consuming and has some limitations. Irradiated homograft costal cartilage has been proposed as a suitable alternative. In this study we present our experience with this approach. Method: A total of 19 ears were treated with irradiated homograft costal cartilage prepared from 18- to 40-year-old cadavers under a standardized processing method. The reconstruction was achieved by a 2-stage procedure with at least 3 months’ interval. Results: Study population included 9 (56.25%) males and 7 (43.75%) females with the mean age of 13.7 ± 5.1 years. Microtia was bilateral in 3, right-sided in 8, and left-sided in 5 subjects. Subjects were followed for 36.0 ± 9.9 months. Short-term and long-term complications were negligible. Conclusion: Irradiated homograft costal cartilage resulted in relatively high satisfaction and low complication rates for auricular reconstruction. Aesthetic appearances of the reconstructed auricle were acceptable. The advantages of this approach are the elimination of additional incisions for graft harvesting and donor site morbidity.