Degeneration of Rib Cartilage.
—Following Trauma: Bauer25 reported a rare form of chondromalacia of the cartilages of the fourth and fifth ribs on the right side following a severe injury to this region. Because of pain, these cartilages were removed with complete relief from symptoms. Examination of the cartilage that was removed showed necrosis and degeneration which, the author believed, were the result of local vascular damage. Five similar lesions in the costal cartilages had been reported in the literature.
Morphologic Changes in the Wrist Joint After Removal of the Carpal Semilunar Bone.
—Dietrich26 studied the changes in the wrist joint after extirpation of the carpal semilunar bone for osteoporosis in 11 cases. He observed an ulnar displacement of the scaphoid and a narrowed articulation with the radius. The carpal bones had a decreased length in the axis of the limb, and the capitatum was in a