van den Broek T A, Moll P J
Acta Orthop Scand. 1985 Oct;56(5):436-8. doi: 10.3109/17453678508994367.
In a 14-year-old boy a direct blow caused the patella to rotate around its horizontal axis; the articular surface faced distally. Thirty-two cases have been described previously.
一名14岁男孩遭受直接打击,导致髌骨绕其横轴旋转,关节面朝向远端。此前已有32例相关病例的描述。