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In the setting of blunt trauma, the rapid assessment of internal injuries is essential to prevent potentially fatal outcomes. Computed tomography is a useful diagnostic tool for both screening and diagnosis. In addition to trauma, acute chest syndromes often warrant emergent computed tomographic angiography, looking for etiologies such as aortic aneurysms or complications of aortic aneurysms, or both, pulmonary emboli, as well as other acute vascular process like aortic dissection and Takayasu aortitis. With continued improvements in diagnostic imaging, computed tomographic angiography of the chest, abdominal and pelvis proves to be an effective modality to image the aorta and other major vascular structures., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Acute abdominal pain is a common presenting complaint in the emergency department. Increasingly, computed tomography is utilized for evaluating these patients. Radiologists are therefore expected to be familiar with the pertinent clinical and radiologic information related to acute bowel pathology. This primer will review the need-to-know and latest updates related to computed tomography evaluation of acute bowel pathology., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Male pelvic emergencies are uncommon, and symptoms typically include scrotal pain, scrotal enlargement, or a palpable scrotal mass or all of these. Ultrasound is often the first-line modality for evaluation of male pelvic emergencies, which may be stratified into vascular, infectious, or traumatic causes. Entities such as testicular torsion, Fournier gangrene, and testicular dislocation are surgical emergencies and should not be missed or misdiagnosed, as this may cause a significant delay in urgently necessary treatment. Radiologists need to be familiar with the role of imaging as well as the key characteristic imaging findings of these injuries to direct the appropriate management., (Copyright © 2017 Elsevier Inc. All rights reserved.)