Greiss M, Messias R
Robert Jones & Agnes Hunt Orthopedic Hospital, Oswestry, United Kingdom.
Acta Orthop Scand. 1987 Aug;58(4):421-2. doi: 10.3109/17453678709146371.
It is extremely rare that a posterolateral elbow dislocation resists closed reduction. The condition is characterized by the presence of a prominent radial head that is caught in a buttonhole tear of the lateral collateral ligament and capsule.