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KMID : 1103720120660010093
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Journal of the Korean Society of Radiology
2012 Volume.66 No. 1 p.93 ~ p.103
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CT Findings of Disease with Elevated Serum D-Dimer Levels in an Emergency Room Setting
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Choi Ji-Youn
Kwon Woo-Cheol
Kim Young-Ju
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Abstract
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Pulmonary embolism and deep vein thrombosis are the leading causes of elevated serum D-dimer levels in the emergency room. Although D-dimer is a useful screening test because of its high sensitivity and negative predictive value, it has a low specificity. In addition, D-dimer can be elevated in various diseases. Therefore, information on the various diseases with elevated D-dimer levels and their radiologic findings may allow for accurate diagnosis and proper management. Herein, we report the CT findings of various diseases with elevated D-dimer levels in an emergency room setting, including an intravascular contrast filling defect with associated findings in a venous thromboembolism, fracture with soft tissue swelling and hematoma formation in a trauma patient, enlargement with contrast enhancement in the infected organ of a patient, coronary artery stenosis with a perfusion defect of the myocardium in a patient with acute myocardial infarction, high density of acute thrombus in a cerebral vessel with a low density of affected brain parenchyma in an acute cerebral infarction, intimal flap with two separated lumens in a case of aortic dissection, organ involvement of malignancy in a cancer patient, and atrophy of a liver with a dilated portal vein and associated findings.
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KEYWORD
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D-Dimer, Pulmonary Embolism, Deep Vein Thrombosis
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