대한근골격영상의학회

Title : Case 823

Age / Sex : 38 / F Chief complaint : Left hand pain (onset : 8 month), tingling sensation along median nerve territory 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 : 한석 (Seok Hahn), 인제의대 해운대 백병원 (Inje University Haeundae Paik Hospital) Diagnosis: Malignant peripheral nerve sheath tumor (MPNST) Discussion Findings US : Approximately 2 x 6 cm sized irregular marginated, heterogeneously hypoechoic mass with fusiform appearance at radial side of middle to distal forearm. MR : 1. Approximately 2 x 2 x 6 cm sized fusiform shaped mass along middle to distal median nerve, showing central relationship. 2. Showing T2 high and T1 low signal intensity with contrast enhancement 3. With diffusion restriction (+) Reference AJR Am J Roentgenol. 2010 Jun;194(6):1568-74

Title : Case 823

Age / Sex : 38 / F

Chief complaint : Left hand pain (onset : 8 month), tingling sensation along median nerve territory

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 : 한석 (Seok Hahn), 인제의대 해운대 백병원 (Inje University Haeundae Paik Hospital)

Diagnosis:

Malignant peripheral nerve sheath tumor (MPNST)

Discussion

Findings
US :
Approximately 2 x 6 cm sized irregular marginated, heterogeneously hypoechoic mass with fusiform appearance at radial side of middle to distal forearm.
MR :
1. Approximately 2 x 2 x 6 cm sized fusiform shaped mass along middle to distal median nerve, showing central relationship.
2. Showing T2 high and T1 low signal intensity with contrast enhancement
3. With diffusion restriction (+)

Reference
AJR Am J Roentgenol. 2010 Jun;194(6):1568-74

Correct Answer
Total applicants	27	Correct answers	17
Name		Institution
김종혁		전문의
이규정		국군수도병원, 전문의
원희수		동국대일산, 전공의
전차웅		가톨릭대학교 여의도성모병원, 전공의
홍혁기		전공의
김경호		전문의, 전문의
박호영		전공의
김재민		원주연세병원, 전문의
이진영		전문의
윤유성		순천향대 부천병원, 전문의
전인환		전문의
김성진		전문의
홍상협		전문의
최형인		단국대학교병원, 전공의
도윤아		전문의
김창수		전문의
강지희		전문의