Progressive Pseudorheumatoid Dysplasia, also known as progressive pseudorheumatoid arthropathy of childhood, is related to scoliosis and czech dysplasia. An important gene associated with Progressive Pseudorheumatoid Dysplasia is CCN6 (Cellular Communication Network Factor 6), and among its related pathways/superpathways are Development Endothelin-1/EDNRA transactivation of EGFR and Immune response Antigen presentation by MHC class II. Affiliated tissues include bone and skeletal muscle, and related phenotypes are waddling gait and joint swelling