Chondrodysplasia punctataChondrodysplasia punctata is a clinically and genetically diverse group of rare diseases, first described by Erich Conradi, that share the features of stippled epiphyses and skeletal changes.Types Rhizomelic chondrodysplasia punctata,, X-linked recessive chondrodysplasia punctata Conradi–Hünermann syndrome Autosomal dominant chondrodysplasia punctata