Despite recent advances in prehospital care, multidetector computed tomographic (CT) technology, and rapid definitive therapy, trauma to the aorta continues to be a substantial source of morbidity and mortality in patients with blunt trauma. The imaging evaluation of acute aortic injuries has undergone radical change over the past decade, mostly due to the advent of multidetector CT. Regardless of recent technologic advances, imaging of the aorta in the trauma setting remains a multimodality imaging practice, and thus broad knowledge by the radiologist is essential. Likewise, the therapy for acute aortic injuries has changed substantially. Though open surgical repair continues to be the mainstay of therapy, percutaneous endovascular repair is becoming commonplace in many trauma centers. Here, the historical and current status of imaging and therapy of acute traumatic aortic injuries will be reviewed.
Penetrating neck injuries are a significant source of morbidity and mortality. Diagnostic imaging plays an integral role in the diagnosis and management of these injuries. Although clinical management of penetrating injuries to the neck remains controversial, many institutions have shifted away from mandatory surgical exploration of most penetrating neck injuries toward use of endoscopy, various imaging modalities, and selective surgery to manage specific injuries diagnosed with these techniques. Much of this shift can be attributed to computed tomographic (CT) angiography, a fast, reliable, and noninvasive procedure that provides a global assessment of the neck, thereby reducing the frequency of nontherapeutic surgical neck explorations and limiting the need for diagnostic conventional angiography. Therefore, radiologists interpreting images from CT angiography should be prepared to provide management recommendations on the basis of the CT angiographic findings. An appreciation of the value, roles, and limitations of multidetector CT angiography and other imaging modalities can position the radiologist as a vital participant in the care of patients with penetrating trauma to the neck.
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