Dual-time-point FDG PET/CT: Is It Useful for Lymph Node Staging in Patients with Non-Small-Cell Lung Cancer? View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2012-06-05

AUTHORS

Dae-Weung Kim, Woo Hyoung Kim, Chang Guhn Kim

ABSTRACT

PurposeDual-time-point (DTP) FDG PET/CT has been shown to be useful for lymph node (LN) staging in patients with non-small-cell lung cancer (NSCLC). The aim of this study was to evaluate the LN staging ability of DTP FDG PET/CT in the predominant area of pulmonary tuberculosis.MethodsSixty-nine NSCLC patients underwent DTP PET/CT. Regions of interest were placed on each LN of each station, and the maximum SUVs were measured. Three variables were obtained: (1) the SUV on the early scan (SUVearly), (2) the SUV on the delayed scan (SUVdelayed), and (3) the retention index of the SUV (RI). Each patient had one final LN stage and three other LN stages according to the cutoff values of SUVearly, SUVdelayed, and RI.ResultsIn the LN-based analysis, the area under the ROC curve of SUVdelayed (0.884) was significantly larger (P < 0.01) than those of SUVearly (0.868) and RI (0.717). Among the three variables, SUVdelayed was more accurate (P < 0.01) for detecting the mediastinal LN metastasis than SUVearly and RI. In the patient-based analysis, SUVdelayed had correctly determined LN stages in 55 of 69 patients (sensitivity, specificity, and accuracy = 88.7 %, 50.0 %, and 79.7 %), whereas SUVearly and RI correctly determined LN stages in 53 and 52 patients, respectively.ConclusionsIn this study, comparing the diagnostic efficacy of SUVearly, SUVdelayed, and RI for LN staging in patients with NSCLC, SUVdelayed was the most accurate variable for LN staging. DTP PET/CT could provide improved diagnostic accuracy for the LN staging of NSCLC. More... »

PAGES

196-200

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s13139-012-0141-0

DOI

http://dx.doi.org/10.1007/s13139-012-0141-0

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1015167552

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/24900060


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