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Spondylometaphyseal dysplasia, Golden type is a rare primary bone dysplasia disorder characterized by severe short stature, coarse facies, thoracolumbar kyphoscoliosis and enlarged joints with contractures. Psychomotor delay and intellectual disability may also be associated. Radiographic features include flat vertebral bodies, lacy ossification of the metaphyses of long bones and iliac crests, and marked sclerosis of the skull base.
Features include: Enlarged joints, Severe short stature, Strabismus, and Mild intellectual disability and 22 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Bones and joints | 4 | Enlarged joints, Hyperextensibility of the finger joints, Excessive outward curvature of the upper spine (kyphosis) |
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 2:25 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
4 |
Mild intellectual disability, Abnormal speech pattern, Mild global developmental delay |
Arms and legs | 3 | Short finger, Hyperextensibility of the finger joints, Tapered finger |
Eyes | 2 | Strabismus, Nystagmus |
Muscles | 2 | Hip contracture, Knee flexion contracture |
Lungs and breathing | 2 | Respiratory failure, Difficulty breathing (respiratory insufficiency) |
Growth and development | 1 | Severe short stature |
Skin | 1 | Abnormal nail morphology |
Head and neck | 1 | Coarse facial features |