Cone Beam CT of Trauma of Small Bones and Joints: Emergency and Trauma in MSK Radiology

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Abstract

Evaluation of trauma of small bones or joints is traditionally done by conventional radiographs (CRs). Although multidetector computed tomography (MDCT) has a better sensitivity than CR in fracture detection and evaluation of complex fractures, high doses of radiation prevent systematic use of MDCT in fracture evaluation. Cone beam computed tomography (CBCT) combines a high spatial resolution and relatively low radiation dose and is therefore a very valuable technique to evaluate trauma of small bones and joints in patients with negative or doubtful radiographs and a high clinical suspicion for fractures or when complex fractures are suspected. CBCT may also be useful for the evaluation of chronic trauma or follow-up of fractures.

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