Child 10 years-old returned from a holiday in the south of Russia, where there was a radial bone fracture of the right forearm. It was put in plaster and the child continued to have a rest, then the plaster was took off but X-rays do not have done ... The child returned to Moscow and his mother drew attention to the mass on the inner surface of the wrist and then came to the surgeon which aim them at US with suspected hygroma and asking to see the tendons ... Visually, there is a markedly larger area of the styloid process of the ulna, right (processus styloideus), on the inner side of the wrist barely noticeable bulging, solid to the touch. At US in the projection of the mass on the inner surface of the wrist visualized dislocation of epiphyse of the radial bone(Colles fracture? abnormal bones fusion after fracture?). external link | 
