" /> Spondyloepiphyseal dysplasia with congenital joint dislocations - CISMeF





Preferred Label : Spondyloepiphyseal dysplasia with congenital joint dislocations;

Symbol : SEDCJD;

CISMeF acronym : CDMD; HSD; SEDCJD;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Spondyloepiphyseal dysplasia, omani type; Chondrodysplasia with multiple dislocations; CDMD; Humerospinal dysostosis; HSD;

Description : Although patients with mutations in the CHST3 gene may initially be given varying diagnostic labels, they have similar clinical features, including dislocation of the knees and/or hips at birth, clubfoot, elbow joint dysplasia with subluxation and limited extension, short stature, and progressive kyphosis developing in late childhood. The disorder is usually evident at birth, with short stature and multiple joint dislocations or subluxations that dominate the neonatal clinical and radiographic picture, and affected individuals may receive an initial clinical diagnosis of Larsen syndrome (see 245600) or humerospinal dysostosis. During childhood, the dislocations improve, both spontaneously and with surgical treatment, and features of spondyloepiphyseal dysplasia (SED) become apparent, leading to arthritis of the hips and spine with intervertebral disc degeneration, rigid kyphoscoliosis, and trunk shortening by late childhood; at this stage, the clinical features are those previously described as the Omani type of SED (summary by Unger et al., 2010).;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the carbohydrate sulfotransferase 3 gene (CHST3, 603799.0001);

Prefixed ID : #143095;

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03/05/2025


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