" /> Developmental dysplasia of the hip 1 - CISMeF





Preferred Label : Developmental dysplasia of the hip 1;

Symbol : DDH1;

CISMeF acronym : CDH; DDH; DDH1;

Type : Phenotype or locus, molecular basis unknown;

Alternative titles and symbols : Acetabular dysplasia; Hip dysplasia, congenital; DDH; Hip dysplasia, developmental; CDH;

Description : Congenital dysplasia of the hip (CDH) is an abnormality of the seating of the femoral head in the acetabulum. Its severity ranges from mild instability of the femoral head with slight capsular laxity, through moderate lateral displacement of the femoral head, without loss of contact of the head with the acetabulum, up to complete dislocation of the femoral head from the acetabulum. It is one of the most common skeletal congenital anomalies (summary by Sollazzo et al., 2000). Acetabular dysplasia is an idiopathic, localized developmental dysplasia of the hip that is characterized by a shallow hip socket and decreased coverage of the femoral head. Its radiologic criteria include the center-edge angle of Wiberg, the Sharp angle, and the acetabular roof obliquity. Most patients with acetabular dysplasia develop osteoarthritis (165720) after midlife, and even mild acetabular dysplasia can cause hip osteoarthritis (summary by Mabuchi et al., 2006). CDH occurs as an isolated anomaly or with more general disorders represented by several syndromes and with chromosomal abnormalities such as trisomy 18 (Wynne-Davies, 1970). - Genetic Heterogeneity of Developmental Dysplasia of the Hip One form of developmental dysplasia of the hip (DDH1) maps to chromosome 13q22; DDH2 (615612) maps to chromosome 3p21; and Beukes familial hip dysplasia (142669) maps to chromosome 4q35 (Cilliers and Beighton, 1990).;

Inheritance : Multifactorial;

Prefixed ID : %142700;

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17/05/2024


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