Evaluating any pelvic injury begins with identifying the mechanism (trauma, sports, etc.) followed by close inspection for any asymmetry, ecchymosis, or abrasions to the pelvis. Pain or crepitus elicited by compressing the iliac crests or by putting direct pressure on the pubic symphisis indicates a likely pelvic ring or acetabular fracture. Avulsions are point tender over the suspected apophysis, so the iliac crests, iliac spine, and ischium should be directly palpated. Because of the large number of multiple injuries with pelvic fractures, a thorough physical examination should follow with special attention to the abdomen, urogenitals, and rectum. AP radiographs of the pelvis are part of most trauma protocols, but many trauma patients are also getting abdominopelvic CT scans. The CT scan is more sensitive for detecting pelvic fractures, and the radiograph may be omitted when abdominopelvic scans are indicated.2 Patients without CT scans who need better evaluation of possible ring fractures should get inlet/outlet views at 45 degrees. When a lateral view is desired, the cross-table lateral is preferred over the frog-leg because further displacement is a risk.