Dual-Energy CT: A Paradigm Shift in Acute Traumatic Abdomen

Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes
Saira HamidSadia Raheez Qamar

Abstract

Abdominal trauma, one of the leading causes of death under the age of 45, can be broadly classified into blunt and penetrating trauma, based on the mechanism of injury. Blunt abdominal trauma usually results from motor vehicle collisions, fall from heights, assaults, and sports and is more common than penetrating abdominal trauma, which is usually seen in firearm injuries and stab wounds. In both blunt and penetrating abdominal trauma, an optimized imaging approach is mandatory to exclude life-threatening injuries. Easy availability of the portable ultrasound in the emergency department and trauma bay makes it one of the most commonly used screening imaging modalities in the abdominal trauma, especially to exclude hemoperitoneum. Evaluation of the visceral and vascular injuries in a hemodynamically stable patient, however, warrants intravenous contrast-enhanced multidetector computed tomography scan. Dual-energy computed tomography with its postprocessing applications such as iodine selective imaging and virtual monoenergetic imaging can reliably depict the conspicuity of traumatic solid and hollow visceral and vascular injuries.

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Citations

Apr 24, 2021·Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes·Caitlin J WardMichael N Patlas

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Methods Mentioned

BETA
lavage
dissecting
imaging techniques

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