Weekly Case

Title : Case 878

Age / Sex : 37 / M

Chief complaint : 손으로 땅을 짚으며 넘어지면서 팔꿈치가 빠졌다가 다시 맞춰지는 느낌 있었음

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 : 이재혁 (Jaehyuck Yi), 계명대 동산병원 (Keimyung University Dongsan Hospital)


Posteromedial rotatory instability (PMRI)


coracoid process anteromedial facet & tip fracture
LCL complex & common extensor tendon tear
posterior bundle of UCL tear

1. Al-Ani et al. Posteromedial rotatory instability of the elbow: What the radiologist needs to know. European Journal of Radiology 2021; 141:109819
2. Adam et al. Current concepts in elbow fracture dislocation. Shoulder Elbow 2021;13(4):451-458

Correct Answer
Total applicants 26 Correct answers 1
Name Institution
이혜원 연세베스트병원, 전문의
Semi-Correct Answer
Total applicants 26 Semi-Correct answers 3
홍혁기 전공의
이진영 전문의
김형엽 전문의