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  • Title: Thallium and FDG uptake by atelectasis with bronchogenic carcinoma.
    Author: Kawabe J, Okamura T, Shakudo M, Koyama K, Wanibuchi H, Shimonishi Y, Ochi H, Yamada R.
    Journal: Ann Nucl Med; 1999 Aug; 13(4):273-6. PubMed ID: 10510886.
    Abstract:
    We report a case of bronchogenic carcinoma with atelectasis studied by T1-SPECT and FDG-PET. In the carcinoma, abnormally high uptake of T1 and FDG were detected, but in the region of atelectasis, an abnormally high uptake of T1 with a relatively low uptake of FDG were observed. On quantitative analyses, the T1 retention indexes of the tumor and atelectasis were 29.7 and 42.0. The mean SUVs of FDG of the tumor and the atelectasis were 8.92 and 1.28. T1-SPECT could not distinguish the atelectasis from the carcinoma. FDG-PET was superior to T1-SPECT in this case in detecting malignancy and distinguishing it from atelectasis.
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