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KMID : 0880420130140030540
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Korean Journal of Radiology
2013 Volume.14 No. 3 p.540 ~ p.543
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Case of Pulmonary Cryptococcosis Mimicking Hematogeneous Metastases in an Immuocompetent Patient: Value of Absent 18F-Fluorodeoxylucose Uptake on Positron Emission Tomography/CT Scan
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Lee Chiao-Hua
Tzao Ching
Chang Tsun-Hou
Chang Wei-Chou
Huang Guo-Shu
Lin Chih-Kung
Lin Hsin-Chung
Hsu Hsian-He
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Abstract
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The radiologic appearance of multiple discrete pulmonary nodules in immunocompetent patients, with cryptococcal infection, has been rarely described. We describe a case of pulmonary cryptococcosis, presenting with bilaterally and randomly distributed nodules on a computed tomography, mimicking hematogeneous metastases. Positron emission tomography does not demonstrate 18F-fluorodeoxyglucose (FDG) uptake, suggesting a low probability for malignancy, which is a crucial piece of information for clinicians when making a management decision. We find the absence of FDG uptake correlates with the pathologic finding of an infectious nodule, composed of fibrosis and necrosis.
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KEYWORD
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Cryptococcosis, Positron emission tomography, Neoplasm metastasis, Multiple pulmonary nodules
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