Congenital Radioulnar Synostosis

Abstract

Introduction: congenital radioulnar synostosis is an uncommon congenital anomaly, that causes a limitation of the forearm supination, often bilateral. The origin of this anomaly occurs when the differentiation of the cartilaginous contour of the radius and ulna does not take place during the embryonic period. Objective: to show two congenital radioulnar synostosis cases analyzing variable about the topic. Case report: there are two different types of synostosis. In these cases the symptoms are mild because the compensate thein limitation in pronosupination with hypermobility of other joints of the upper limb. X-rays of upper limbs are the diagnostic procedures. The management will be conservative, but the treatment depends on the degree of functionality of the forearm. Conclusions: proximal radioulnar synostosis is a non frequent affection, that brings about difficulties carrying out actions with the hands, Its diagnosis is relatively simple by means of the clinical findings andplain X-rays of the elbow.