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A Case of Epithelial-Myoepithelial Carcinoma of Parotid Gland and Analysis of 33 Cases Reported in Korea

이하선의 상피-근상피 암종 1례와 국내에 보고된 33건의 증례 분석

  • Kim, Ji Won (Department of Otolaryngology-Head and Neck Surgery, National Medical Center) ;
  • Kim, Min Soo (Department of Otolaryngology-Head and Neck Surgery, National Medical Center) ;
  • Kim, Bo Sung (Department of Pathology, Green Cross Laboratories) ;
  • Kim, Seong Dong (Department of Otolaryngology-Head and Neck Surgery, National Medical Center)
  • 김지원 (국립중앙의료원 이비인후-두경부외과) ;
  • 김민수 (국립중앙의료원 이비인후-두경부외과) ;
  • 김보성 (GC녹십자의료재단 병리학부) ;
  • 김성동 (국립중앙의료원 이비인후-두경부외과)
  • Received : 2021.04.20
  • Accepted : 2021.07.02
  • Published : 2021.11.30

Abstract

Epithelial-myoepithelial carcinoma is rare, low-grade malignant neoplasm that compromises approximately 1% of all salivary gland neoplasms. We reported a 68-year-old woman with epithelial-myoepithelial carcinoma in the parotid gland. We analyzed demographic and clinicopathological characteristics of salivary gland epithelial-myoepithelial carcinoma which has been reported in 33 cases in Korea from 1992 to 2017, and compared this result to overseas retrospective cohort studies. There was no significance in terms of mean age at diagnosis, the predominance of females, low frequency in regional lymph nodes, and distant metastasis between the two groups. However, T classification and AJCC stage at diagnosis in domestic cases are more advanced than those of overseas cases. Although the recurrence rate in domestic cases has been reported lower than that of overseas, further study may be needed considering that the follow-up period after treatment is short in domestic cases.

Keywords

References

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