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Related Experiment Video

Updated: Jan 9, 2026

Endaural Endoscopic Atticoantrotomy Retrograde Mastoidectomy using a Constant Suction Bone-drilling Technique
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Ear Remnant Incision Expander Method for Conchal-Type Microtia: A 10-Year Study.

Jingwei Feng1, Mengyuan Jiang, Ruonan Su

  • 1From the Plastic Surgery Hospital and Institute, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.

Annals of Plastic Surgery
|December 1, 2025
PubMed
Summary

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The ear remnant incision expander method effectively reconstructs conchal-type microtia, achieving high patient satisfaction. This technique shows superior results in pediatric patients, offering a valuable auricular reconstruction option.

Area of Science:

  • Plastic Surgery
  • Otolaryngology
  • Regenerative Medicine

Background:

  • Microtia, a congenital ear deformity, requires complex reconstruction.
  • Conchal-type microtia (Marx Grade II) presents unique reconstructive challenges.
  • Existing methods for auricular reconstruction have limitations.

Purpose of the Study:

  • To evaluate the clinical efficacy of the ear remnant incision expander method for conchal-type microtia.
  • To analyze the advantages, limitations, and optimization strategies of this reconstructive technique.
  • To assess patient satisfaction and aesthetic outcomes.

Main Methods:

  • Retrospective study of 159 patients with conchal-type microtia (2013-2023).
  • Standardized tissue expansion followed by a 3-step rib cartilage reconstruction.
Keywords:
concha-type Microtiaear reconstructionretrospective studytissue expansion

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  • Outcomes assessed via anatomical scoring and patient satisfaction; follow-up 6 months to 10 years.

    • Main Results:

    • 147 patients (92.5%) reported satisfactory results.
    • Physician evaluation: 79.9% excellent, 18.2% good outcomes.
    • Complications included pigmentation (2.5%) and scar hyperplasia (3.8%); better outcomes in pediatric patients (P < 0.05).

    Conclusions:

    • The ear remnant incision expander method is effective for conchal-type microtia reconstruction.
    • Achieves good aesthetic outcomes and high patient satisfaction, especially in pediatric cases.
    • Offers a valuable, manageable reconstructive option for selected patients.