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- W189220925 abstract "1534 Objectives: Low FDG uptake has been reported in bronchioloalveolar carcinoma (BAC), potentially leading to false negative interpretations on PET alone. We correlated tumor density on CT with SUV max on FDG PET and the pathology results in patients with BAC or adenocarcinoma with BAC components (Adeno+BAC). Tumor size, FDG uptake and HUV were also determined. Methods: This was a retrospective study on a consecutive series of 54 patients with 57 lesions (26 BAC, 31 Adeno+ BAC) who underwent FDG-PET/CT scan with the SUV and Hounsfield units (HU) reported. The correlation between SUV and HU was determined by using Pearson correlation coefficient test. Results: A total of 26 lesions with BAC had a median SUV max of 1.48 (range, 0.63 to 4.54). 31 lesions diagnosed as Adeno+BAC had a median SUV max of 6.03 (range, 2.45 to 24) (p A strong positive correlation between tumor size and HU was observed in Adeno+BAC group (P=0.0002). Conclusions: PET/CT can help differentiate between BAC and adeno+BAC by using tumor size, CT density and metabolic activity. Pure BAC exhibits smaller size, lower FDG uptake and lower tumor density compared to Adeno+BAC. Many BAC have low SUV (" @default.
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- W189220925 date "2008-05-01" @default.
- W189220925 modified "2023-09-27" @default.
- W189220925 title "Quantitative analysis of PET/CT in bronchioloalveolar carcinoma" @default.
- W189220925 hasPublicationYear "2008" @default.
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