Idiopathic scoliosis is a spine disorder of unknown origin with a prevalence of 1·5-3% in the general population. Apart from the large multifactorial form sample of idiopathic scoliosis, there is a good evidence for the existence of a monogenic subgroup in which the disease is inherited in a dominant manner. However, results from published work suggest a strong heterogeneity in locations of the mutated genes. With a high resolution genome-wide scan, we undertook linkage analyses in three large multigenerational families with idiopathic scoliosis compatible with dominant inheritance, including 11–12 affected members or obligate carriers.Introduction
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