FIGURE 111.31 Common avulsion injuries of the pelvis: anterior-inferior iliac spine (A), anterior-superior iliac spine (B), and ischial tuberosity (C) ACETABULAR FRACTURES Acetabular fractures are rare in children, but may be associated with hip joint dislocation If major pelvic disruption is present, the injury should be treated like a double break in the pelvic ring Early orthopedic consultation should be obtained for these fractures Disposition Patients with avulsion fractures may be discharged with crutches and non–weight-bearing status with orthopedic follow-up Those with pelvic and acetabular fractures should be admitted to the hospital for further orthopedic care