DYGGVE-MELCHIOR-CLAUSEN DYSPLASIA.

. The results of light and electron microscopic examination and of biochemical proteoglycan studies of costochondral and iliac crest biopsies from a recently diagnosed case of Dyggve‐Melchior‐Clausen dysplasia are reported. At light microscopy of resting cartilage large lacunae containing clusters of five or more chondrocytes were seen in some areas. In the hyaline cartilage there were scattered fibrous foci but no mineralized areas. Electron...