Weekly Case

Title : Case 746

Age / Sex : 62 / F

Chief complaint : left thumb pain

What is your diagnosis?

Two weeks later, you can see the final diagonosis with a brief discussion of this case (Please submit only one answer).

Courtesy : 김선정, Seon-Jeong Kim, 명지병원 Myongji Hospital, Hanyang University Medical Center


Tenosynovial giant cell tumor (Giant cell tumor of tendon sheath)   Benign synovial proliferation within tendon sheath, most commonly involving fingers



  1.Radiography: soft tissue mass with adjacent cortical erosion

  2.MRI: lobulated mas with low to intermediate SI on T1WI and T2WI, with/without fibrous septations, lack of surrounding edema, intense enhancement

Differential diagnosis
  Fibroma of tendon sheath

  MR Imaging and US of the Wrist Tendons RadioGraphics 2016; 36:1688–1700
  Magnetic resonance imaging features of fibromas and giant cell tumors of the tendon sheath: differential diagnosis Eur Radiol 2019;29:3441-3449

Correct Answer
Total applicants 35 Correct answers 14
Name Institution
윤유성 순천향대 부천병원, 전문의
이규정 국군대전병원, 전문의
김종혁 서울아산병원, 전문의
박영태 서울아산병원, 전문의
임윤진 단국대학교병원, 전공의
김아연 서울아산병원, 전문의
김경호 서울아산병원, 전문의
변승희 서울아산병원, 전문의
변성환 전문의
이혜란 전문의
권기언 전문의
이현탁 전공의
김성진 365병원, 전문의
박진희 전문의
Semi-Correct Answer
Total applicants 35 Semi-Correct answers 1
최형인 전문의