Korean Journal of Head & Neck Oncology (대한두경부종양학회지)

The Korean Society for Head and Neck Oncology (대한두경부종양학회)
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A Case of Langerhans Cell Histiocytosis involving the External Auditory Canal

외이도에 발생한 랑게르한스 세포 조직구증 1예

  • Seo, Yoon Soo (Department of Otolaryngology-Head and Neck Surgery, Kosin University College of Medicine) ;
  • Lee, Hwan Ho (Department of Otolaryngology-Head and Neck Surgery, Kosin University College of Medicine)
  • 서윤수 (고신대학교 의과대학 이비인후 두경부외과학교실) ;
  • 이환호 (고신대학교 의과대학 이비인후 두경부외과학교실)
  • Received : 2021.04.20
  • Accepted : 2021.09.14
  • Published : 2021.11.30
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Abstract

Langerhans cell histiocytosis (LCH) is commonly characterized by abnormal function and differentiation or proliferation of monocytes. In LCH, granulomatous lesions, including langerine-positive histocytes and inflammatory infiltrates, can occur to all tissues, particularly well in the bones, skin, lungs, and pituitary gland. In case of external auditory canal LCH, conductive hearing loss may occur, and the most common symptom is otorrhea. Here we present a case that 49-year-old male with external auditory canal mass. Since no invasive findings were seen in radiologic study, endoscopic transcanal excision was performed and LCH was proven by pathologic report. We present this case of external auditory canal LCH with the review of literature.

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References

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