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Otoplasty Basics - Ear Essentials

  • Definition: Surgical reshaping of the external ear (auricle) to correct deformities (e.g., prominent ears) or improve aesthetics.
  • Goals:
    • Correct prominent ears (common indication).
    • Restore normal auricular appearance and achieve symmetry.
  • Key Anatomy: Helix, antihelix (underdevelopment causes prominence), concha (hypertrophy contributes), tragus, lobule.
  • Ideal Proportions:
    • Width ~50-60% of length.
    • Helical rim visible beyond antihelix.
    • Conchoscaphal angle: ~90°.
    • Cephaloauricular angle: 20-30°.
    • Helical rim to mastoid: 1.5-2.0 cm.

    ⭐ Normal cephaloauricular angle is 20-30 degrees and the conchoscaphal angle should be approximately 90 degrees. Normal Ear Anatomy with Ideal Otoplasty Angles

Indications & Candidates - Fixing Flaps

  • Primary Indication: Prominent ears ("bat ears") needing correction ("fixing").
    • Key Deformities:
      • Underdeveloped antihelical fold.
      • Conchal cartilage excess (deep concha).
      • Increased auriculocephalic angle (>30°).
  • Ideal Candidates:
    • Age: >5-6 years (ear ~90% adult size, cooperative).
    • Significant psychological/social distress.
    • Good general health & realistic expectations.
  • Other Correctable Deformities:
    • Constricted ears (e.g., lop ear).
    • Post-traumatic ear defects.

⭐ The most common cause of prominent ears is an underdeveloped antihelical fold, often combined with conchal excess (deep conchal bowl). Causes of prominent ears: antihelix and conchal hypertrophy

Pre-Op Assessment - Planning Perfection

  • History: Prior surgeries, keloid tendency, bleeding disorders.
  • Examination:
    • Helico-mastoid distance (Normal: 1.5-2.0 cm).
    • Antihelical fold: definition/effacement.
    • Conchal bowl: depth/angle (prominent if >90°).
    • Lobule: position/size.
    • Skin quality, cartilage stiffness.
  • Photography: Standard views.
  • Counselling: Expectations, risks.

⭐ Preoperative assessment must meticulously evaluate the three key components potentially contributing to ear prominence: the antihelical fold definition, the conchal bowl depth/angle, and the lobule position/size.

Surgical Techniques - Sculpting Success

  • Anesthesia:
    • Local + adrenaline ± sedation (adults, older children).
    • General (young children).
  • Core Goals: Recreate antihelical fold, ↓ conchal prominence, correct lobule.
  • Approaches: Tailored to deformity.
    • Cartilage-Sparing: Suturing (e.g., Mustardé for antihelix, Furnas for concha).

      Mustardé sutures are mattress sutures used to create or accentuate the antihelical fold by approximating scaphal cartilage to conchal or mastoid periosteum, a cartilage-sparing technique.

    • Cartilage-Cutting/Scoring: Incisions/excisions to reshape (e.g., Chongchet, Stenstrom).
    • Combined techniques common.
  • Sutures: Permanent, non-absorbable (e.g., Prolene) for lasting results.
  • Incision: Posterior auricular, concealed.

Otoplasty Surgical Steps

Post-Op & Pitfalls - Healing & Headaches

  • Healing & Care:
    • Mastoid dressing 24-48 hrs, then headband.
    • Headband: Wear 2-6 weeks (nightly).
    • Sutures out ~7-10 days (if non-absorbable).
    • Activity: No strenuous activity 2-3 wks; no contact sports 6-8 wks.
  • Potential Pitfalls:
    • Early Complications:
      • Hematoma: Most common; drain promptly.
      • Infection/Chondritis.
      • Pain.
    • Late Issues:
      • Suture extrusion/granuloma.
      • Keloid/Hypertrophic scarring.
      • Asymmetry/Recurrence (telephone ear).
      • Sensory changes (numbness, cold).

⭐ The most common early complication following otoplasty is hematoma, which requires prompt attention to prevent cartilage damage.

High‑Yield Points - ⚡ Biggest Takeaways

  • Otoplasty corrects prominent ears; ideal age 5-6 years (pliable cartilage, near-complete growth).
  • Key defects: underdeveloped antihelical fold, conchal hypertrophy, increased conchomastoid angle.
  • Mustarde technique: Sutures create/enhance the antihelical fold.
  • Furnas technique: Concha-mastoid sutures reduce conchal depth and angle.
  • Hematoma: most common early complication. Other risks: infection, keloid.
  • Late issues: suture extrusion, recurrence, telephone ear deformity.
  • Stahl's ear: Features a third crus and flattened scaphoid fossa_._

Practice Questions: Otoplasty

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