Radioulnar synostosis
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Radioulnar synostosis is a rare condition where there is an abnormal connection between the radius and ulna bones of the forearm.[1] This can be present at birth (congenital), when it is a result of a failure of the bones to form separately, or following an injury (post-traumatic).[2]
Quick Facts Other names, Specialty ...
Radioulnar synostosis | |
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Other names | Radioulnar fusion |
Congenital radioulnar synostosis in a 7 year old boy | |
Specialty | Orthopaedics |
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It typically causes restricted movement of the forearm, in particular rotation (pronation and supination), though is not usually painful unless it causes subluxation of the radial head.[1] It can be associated with dislocation of the radial head which leads to limited elbow extension.[2]