The Association of Iliac and Sacral Insufficiency Fractures and Implications for Treatment: The Role of Bone Scans in Three Different Cases.

Iliac wing fractures are under-diagnosed fractures often associated with sacral insufficiency fractures in osteoporotic patients. They are rarely seen alone. Insufficiency fractures of the iliac bone can often be missed on computerized tomography (CT) and magnetic resonance imaging (MRI) yet identified on radioisotope bone scans.