Journal
RADIOLOGY
Volume 220, Issue 2, Pages 548-553Publisher
RADIOLOGICAL SOC NORTH AMER
DOI: 10.1148/radiology.220.2.r01au26548
Keywords
computed tomography (CT), comparative studies; computed tomography (CT), perfusion study; lung, CT; lung, nodule; lung neoplasms, CT; lung neoplasms, diagnosis; lung neoplasms, PET; positron emission tomography (PET), comparative studies
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The standardized enhancement value and standardized perfusion value allow comparison between different methods for quantification of contrast enhancement during computed tomography (CT). Standard perfusion values calculated from CT measurements of perfusion within pulmonary nodules compared favorably with those derived from previously reported enhancement data and correlated with standardized uptake values obtained from positron emission tomographic images (r = 0.8, P < .01).
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