대한근골격영상의학회

Title : Case 845

Age / Sex : 54 / F Brachial plexus의 anatomy 를 고려할 때 가장 가능성 높은 tumor의 위치는? (객관식) 1) Root 2) Trunk 3) Division 4) Cord 5) Branch 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 : 정혜원 (Chung, Hye Won), 서울아산병원 (Asan Medical Center) Diagnosis: 2) trunk Discussion MR findings A well-marginated nodular soft tissue mass in right retroclavicular area located between interscalene triangle and lateral margin of the 1st rib thus, likely located at middle trunk level may be continuous with C7 nerve root T2 high signal intensity with inhomogeneous internal enhancement - minimal thickening of adjacent nerve Conclusion> Neurogenic tumor, from right C7 (middle trunk level) References Radiographics 2020 Oct;40(6):1686-1714

Title : Case 845

Age / Sex : 54 / F

Brachial plexus의 anatomy 를 고려할 때 가장 가능성 높은 tumor의 위치는? (객관식)
1) Root
2) Trunk
3) Division
4) Cord
5) Branch

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 : 정혜원 (Chung, Hye Won), 서울아산병원 (Asan Medical Center)

Diagnosis:

2) trunk

Discussion

MR findings
A well-marginated nodular soft tissue mass in right retroclavicular area
located between interscalene triangle and lateral margin of the 1st rib
thus, likely located at middle trunk level
may be continuous with C7 nerve root
T2 high signal intensity with inhomogeneous internal enhancement
- minimal thickening of adjacent nerve
Conclusion> Neurogenic tumor, from right C7 (middle trunk level)

References
Radiographics 2020 Oct;40(6):1686-1714

Correct Answer
Total applicants	36	Correct answers	21
Name		Institution
김정아		전공의
이규정		고려대학교 안암병원, 전문의
박호영		전문의
류혜선		강동경희대학교병원, 전공의
김승관		전문의
전차웅		가톨릭대학교 여의도성모병원, 전공의
김동현		단국대학교병원, 전공의
전인환		전문의
황현		전문의
곽경수		전문의
김재민		원주연세병원, 전문의
박혜주		순천향대학교 부천병원, 전공의
조성찬		전공의
권기언		전문의
조숭문		전문의
전예진		전문의
임채헌		전문의
김성진		전문의
이진영		전문의
이경연		전공의
이다경		고려대구로병원, 전공의