Congenital proximal radioulnar synostosis(CPRUS)is a rare anomaly which is caused by abnormal fusion of the proximal radius and ulna during development.This is due to the failure of embryological separation,resulting ...Congenital proximal radioulnar synostosis(CPRUS)is a rare anomaly which is caused by abnormal fusion of the proximal radius and ulna during development.This is due to the failure of embryological separation,resulting in the fixed position of the forearm,from mild to severe pronation.1Mild deformity leads to slight disability because the shoulder and wrist can effectively compensate.2 Patients with bilateral cases and/or pronation defor-mity of>60°may be severely limited in daily activities.34 Most surgeons recommend surgical intervention when the loss of forearm rotation exceeds 60°,particularly when the forearm is fixed in pronation.展开更多
文摘Congenital proximal radioulnar synostosis(CPRUS)is a rare anomaly which is caused by abnormal fusion of the proximal radius and ulna during development.This is due to the failure of embryological separation,resulting in the fixed position of the forearm,from mild to severe pronation.1Mild deformity leads to slight disability because the shoulder and wrist can effectively compensate.2 Patients with bilateral cases and/or pronation defor-mity of>60°may be severely limited in daily activities.34 Most surgeons recommend surgical intervention when the loss of forearm rotation exceeds 60°,particularly when the forearm is fixed in pronation.
