Which findings on MRI are characteristic of acetabulum fractures?

Updated: Jun 25, 2019
  • Author: David S Levey, MD; Chief Editor: Felix S Chew, MD, MBA, MEd  more...
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Magnetic resonance imaging (MRI) is not routinely used in the primary evaluation of acetabular fractures. Potter and colleagues described the use of MRI in the evaluation of occult femoral head injuries and in the detection of subclinical sciatic nerve injury. [26] Intra-articular fracture fragments may be missed on magnetic resonance images.

MRI is a valuable tool for these fractures because it can not only detect the fractures and the planes in which they course through the complex pelvic anatomy but also detect and gauge the extent of the adjacent soft tissue component of injury to muscle, ligament, tendon, fascia, acetabular labrum, and the investing fat planes.

Currently, the use of MRI in imaging deep venous thrombosis in patients with pelvic or lower extremity injuries is being evaluated. Magnetic resonance venography may be useful in depicting lower extremity and pelvic venous thrombosis. [27, 28, 29, 30]

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