HEREDITARY AND DEVELOPMENTAL DEFORMITIES
Chondrodystrophy with Flattening of the Vertebrae.
—Guerin and Lachapele1 report a case of chondrodystrophy, the patient being a boy aged 7. They label the condition in this case "platybrachyspondylie," since the vertebrae, particularly in the lower portion of the dorsal region, were large and flat, each tending to end anteriorly in a pointed extremity. This resulted in moderate dorsal.kyphosis. Associated abnormalities of the skeleton in other regions were also found. In both feet there was a tendency to hallux valgus. The first metatarsal bone was large and short, with a large epiphysis. The second, third and fourth metatarsal bones were curved medially. In place of the scaphoid and the first cuneiform bone there were several ill defined centers of ossification and the second and the third cuneiform bone were fused. Both hips exhibited coxa vara deformity. There was general retardation in the development of most