Fig. 2
From: Surveillance ultrasonography for conservative treatment of femoral shaft fractures in young children
Images of a 2-year-old boy with FSF. The red and yellow arrows show the distal and proximal fractures, respectively. The green arrow shows the callus. a Ultrasound imaging on day 3 after injury, during the hematoma period. b Ultrasound imaging on day 8 after the injury, during the organization of the hematoma, which could be adjusted and reduced. This could not be visualized by radiographs (green arrow). c The appearance of the callus indicating the stabilization of the fracture, which can be seen on the radiographs. d, e Radiographs showing the anteroposterior and lateral views during the final follow-up