A very rare type of spondyloepiphyseal dysplasia described in fewer than 10 patients to date and characterized clinically by dysplastic epiphyses, short stature appearing in infancy, short neck, short and stubby hands and feet, scoliosis, genu valgum, abnormal pelvis, osteoporosis and osteoarthritis. The disease is MONDO_0008473 (spondyloepimetaphyseal dysplasia, Maroteaux type). Also known as: SED, Maroteaux type, pseudo-Morquio syndrome type 2, spondyloepiphyseal dysplasia Maroteaux type, spondyloepiphyseal dysplasia, Maroteaux type.