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accessory tragus

Preauricular first branchial arch remnant.

Etiology

- isolated (non-syndromal)
- syndromal

  • 4p- syndrome (Wolf-Hirschhorn syndrome)
  • Simpson-Golabi-Behmel syndrome
  • facio-auriculo-vertebral syndrome

Differential diagnosis:

- fibroepithelial polyp
- soft fibroma