Applications of corrected standard uptake value in peripheral solitary pulmonary lesions / 实用放射学杂志

ABSTRACT

Objective To evaluate the use of corrected standard uptake value(SUV)in patient with peripheral solitary pulmonary lesion and the relationship between corrected SUV and the lesion's size.Methods This retrospective study included 69 patients with peripheral solitary pulmonary lesions seen on PET and CT scans whose diagnoses were confirmed by pathology.Each lesion’s FDG uptake was quantified by using two methods:the SUV and the corrected SUV.The lesion’s size was recorded on CT.Results The diagnostic accuracy was 88.7% and 98.5% for PET/CT and combining corrected SUV with CT respectively.There was a positive correlation between SUV,corrected SUV and the size of lesions(r 1 =0.536,P <0.001;r 2 =0.637,P <0.001).Conclusion Measur-ing corrected SUV appears to improve the accuracy of FDG PET/CT for characterization of peripheral solitary pulmonary lesions . The volume of lesion may potentially affect the value of SUV.