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Rapid Local Recurrence of Breast Myoepithelial Carcinoma Arising in Adenomyoepithelioma: A Case Report

빠른 국소 재발을 보인 유방의 선근상피종에서 발생한 근상피암: 증례 보고

  • Mo In Ha (Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine) ;
  • Bo Kyoung Seo (Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine) ;
  • Jung Woo Choi (Department of Pathology, Korea University Ansan Hospital, Korea University College of Medicine)
  • 하모인 (고려대학교 의과대학 안산병원 영상의학과) ;
  • 서보경 (고려대학교 의과대학 안산병원 영상의학과) ;
  • 최정우 (고려대학교 의과대학 안산병원 병리과)
  • Received : 2018.11.23
  • Accepted : 2019.06.03
  • Published : 2020.01.01

Abstract

Adenomyoepithelioma (AME) is a rare breast neoplasm composed of both epithelial and myoepithelial cells with biphasic proliferation. Although most AMEs are benign, malignant transformation of either or both cellular components may occur. This report describes an unusual rapid local tumor recurrence a month after excision of the myoepithelial carcinoma arising in an AME. Ultrasound and MRI showed small recurrent masses in the superficial part of a hematoma. This report suggests the benefit of immediate postoperative breast imaging in patients with malignant AME with potential for local recurrence, such as those with narrow resection margins or high mitotic activity.

선근상피종은 관상피세포와 근상피세포의 이상성 증식을 특징으로 하는 유방의 매우 드문 질환이다. 대부분의 선근상피종은 양성이나 관상피세포 또는 근상피세포에서, 혹은 둘 모두에서 악성 변형을 보일 수 있다. 본 증례 보고는 선근피상종 내부에 발생한 근상피암으로 절제술 시행 1달 후에 빠르게 발생한 국소 재발에 관한 것이다. 초음파 검사와 자기공명검사에서 수술 후 생긴 혈종의 표재성 부분에 여러 개의 작은 재발 병소들이 관찰되었다. 본 증례 보고는 악성 선근상피종에서 수술 절제 면이 정상 조직과 가깝거나 높은 유사분열활성을 보이는 경우는 국소 재발의 가능성을 고려하여 수술 직후 유방영상검사 시행을 제안하고자 한다.

Keywords

References

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