PMC3108757_01
Pelvic radiograph. This pre-treatment radiograph demonstrates a diffuse lytic process within the right iliac wing extending into the acetabulum and right pubic rami.
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Concomitant radiographs (Figure 1A), computed tomography (Figure 1B), and magnetic resonance imaging (MRI) demonstrated gross osteomyelitis and pyoarthrosis involving the right ilium, acetabulum, pubis, and ischium with severe edema and multiple abscesses throughout the soft tissue with no involvement of the left hemipelvis or sacroiliac joints.