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Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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Traumatic Neuroma in the External Auditory Canal.

Seung Ho Shin1, Hye Min Kim2, Eun Jin Son1

  • 1Department of Otorhinolaryngology, Yongin Severance Hospital, Yonsei University College of Medicine.

The Journal of Craniofacial Surgery
|January 25, 2024
PubMed
Summary

A rare neuroma, a nerve growth, was found in a woman's ear canal after trauma. Surgical removal was successful, with no recurrence, highlighting this unusual case.

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Area of Science:

  • Otorhinolaryngology
  • Neuropathology

Background:

  • Traumatic neuroma is a rare proliferation of nerve cells, typically occurring after nerve injury.
  • Neuromas in the external auditory canal are exceptionally uncommon, with few documented cases.

Purpose of the Study:

  • To report a rare case of traumatic neuroma in the external auditory canal.
  • To review the existing literature on external auditory canal neuromas.

Main Methods:

  • Case presentation of a 50-year-old female patient with an external auditory canal mass.
  • Surgical excision of the mass.
  • Histopathological examination for diagnosis.
  • Literature review.

Main Results:

  • A 7 × 5-mm mass was identified on the anterior wall of the external auditory canal.
  • The mass was successfully removed surgically.
  • Histopathology confirmed the diagnosis of neuroma.
  • No recurrence was observed post-excision.

Conclusions:

  • Traumatic neuroma is a rare but possible diagnosis for masses in the external auditory canal.
  • Surgical excision is an effective treatment for external auditory canal neuromas.
  • Further case reporting is valuable for understanding this rare condition.