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An Unusual Cause of Knee Pain: Periosteal Glomus Tumor of the Distal Femur

무릎 통증의 드문 원인: 원위 대퇴골 골막주위 사구 종양

  • Cho, Hyung Joon (Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine) ;
  • Ahn, Kyung-Sik (Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine) ;
  • Kang, Chang Ho (Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine) ;
  • Kim, Yura (Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine) ;
  • Park, Jong Hoon (Department of Orthopedic Surgery, Korea University Anam Hospital, Korea University College of Medicine)
  • 조형준 (고려대학교 의과대학 안암병원 영상의학교실) ;
  • 안경식 (고려대학교 의과대학 안암병원 영상의학교실) ;
  • 강창호 (고려대학교 의과대학 안암병원 영상의학교실) ;
  • 김유라 (고려대학교 의과대학 안암병원 영상의학교실) ;
  • 박종훈 (고려대학교 의과대학 안암병원 정형외과학교실)
  • Received : 2018.01.09
  • Accepted : 2018.03.23
  • Published : 2018.08.01

Abstract

Glomus tumors are rare neoplasms that characteristically occur in subungual regions, but may also be found in other regions of the body. The clinical diagnosis of this tumor may be difficult if the tumor is located in an extradigital site. Most extradigital glomus tumors form in superficial locations. Herein, we present the case of a 34-year-old woman who experienced chronic knee pain with pinpoint tenderness resulting from a deep-seated periosteal glomus tumor of the distal femur. Extradigital glomus tumors should be considered in the differential diagnosis when characteristic clinical features and imaging findings indicative of glomus tumors are present, even if the tumor is located within deep tissues.

사구 종양은 주로 손발톱 밑에서 특징적으로 발생하는 드문 종양이며, 이 외에도 신체의 다른 어느 곳에서도 발생할 수 있다. 종양이 손가락이나 발가락 이외의 위치에서 발생하는 경우 임상적 진단이 어려울 수 있으며, 대부분이 얕은 위치에서 발생하는 것으로 보고되었다. 본 저자들은 원위 대퇴골의 골막에 인접하여 발생한 사구 종양으로 인한 촉진 시 무릎 통증을 경험한 34세 여자 환자의 증례를 보고하고자 한다. 자기공명영상 및 도플러 초음파 검사의 소견과 임상 증상을 함께 제시하는 바이다.

Keywords

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