Pearls and Pitfalls in Emergency Radiology: Variants and Other Difficult Diagnoses
Martin L. Gunn
Cambridge University Press, May 2, 2013 - Medical
Rapid recognition of life-threatening illnesses and injuries expedites appropriate management and improves clinical outcomes. False-positive interpretations in radiology have been identified as a significant cause of error, leading to unnecessary investigation and treatment, increased healthcare costs, and delays in appropriate management. Moreover, it is important that radiologists do not miss important subtle diagnoses that need urgent intervention. Pearls and Pitfalls in Emergency Radiology provides an outline of common imaging artefacts, anatomic variants and critical diagnoses that the radiologist must master in order to guide appropriate care and avoid malpractice lawsuits. One hundred selected cases – illustrated with several hundred images from MRI, MDCT, PET, ultrasound and radiographs – are presented in a succinct and structured format, highlighting key pearls and potential diagnostic pitfalls. The text focuses on emergent presentations of diseases in all body regions in both adults and children.
Arachnoidgranulations Case 6 Ventricularenlargement Case 7 Blunt cerebrovascular injury Case 8 Internal carotidarterydissection presentingassubacu...
intraaxial Case 11 Enlarged perivascular space
Cavernous malformationsimulating contusion
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abdominal abnormal acute angiography aorta aortic dissection aortic injury arachnoid granulation arrowheads artery asterisk Axial contrastenhanced CT Axial image Axial nonenhanced CT bilateral black arrow bladder blunt trauma bone bowel cervical spine chest radiograph contrast contrastenhanced CT image contusion Coronal reformation cysts demonstrates detection diaphragmatic Differential diagnosis dislocation dissection distal edema effusion embolism endometrium enhancement evaluation Figure fluid fracture Frontal gallbladder hematoma highspeed motor vehicle humeral hypodensity identified image shows Imaging description infarction inthe intraperitoneal intussusception laceration Lateral radiograph lesion lucency medial mediastinal mimic motion artifact motor vehicle collision noncontrast CT nonenhanced CT image normal ofthe orbital pain pancreatic parenchyma patients pediatric pelvis pneumomediastinum pneumothorax posterior pulmonary pulmonary contusion pulmonary embolism Radiol Radiology Roentgenol rupture Sagittal sesamoid sinus soft tissue splenic sternoclavicular joint subdural hemorrhage T1weighted Teaching point thoracic transverse Typical clinical scenario ultrasound vascular vehicle collision shows venous vertebrae white arrow woman