Osteochondritis Dissecans Capituli Radii.
—Nielsen22 reported 3 cases of osteochondritis dissecans occurring in the radial head. In each case the defect occurred on the inner articular margin of the head of the radius. There was no history of trauma. Clinically, there were weakness, severe pain in the elbow on motion, blocking motion and muscular atrophy. Roentgenologically and at operation, the typical appearance of the loose body with a defect in the articular surface was observed. In the author's clinic, during the past seven years, operations were performed in these 3 cases of osteochondritis dissecans in the radial head and in 35 cases of osteochondritis dissecans in the humeral head.
Avulsion of the Anterior Superior Iliac Spine.
—Rothbart23 reported, with x-ray illustrations, 2 cases in which the anterior superior spine of the ilium was torn off by indirect violence and displaced. Only 1 other case, reported by