Local imaging to interpret tumor size in F18 fluorodeoxyglucose positron emission tomography/CT in lung cancers

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dc.contributor.authorTuzcu, Sadiye Altun
dc.contributor.authorKaplan, Ihsan
dc.contributor.authorIbiloglu, Ibrahim
dc.contributor.authorUyar, Ali
dc.contributor.authorGuzel, Fatih
dc.contributor.authorGuzel, Yunus
dc.contributor.authorTasdemir, Bekir
dc.date.accessioned2024-04-24T17:18:08Z
dc.date.available2024-04-24T17:18:08Z
dc.date.issued2024
dc.departmentDicle Üniversitesien_US
dc.description.abstractOBJECTIVE: This study aimed to determine the thoracic and extra-thoracic extension of the disease in patients diagnosed with lung cancer and who had whole-body F18-fluorodeoxyglucose positron emission tomography/CT imaging and to investigate whether there is a relationship between tumor size and extrathoracic spread. METHODS: A total of 308 patients diagnosed with lung cancer were included in this study. These 308 patients were first classified as group 1 (SPN 30 mm>longest lesion diameter >= 10 mm) and group 2 (lung mass (longest lesion diameter >= 30 mm), and then the same patients were classified as group 3 (nodular diameter of <= 20 mm) and group 4 (nodular size of >20 mm). Group 1 was compared with group 2 in terms of extrathoracic metastases. Similarly, group 3 was compared with group 4 in terms of frequency of extrathoracic metastases. F18 fluorodeoxyglucose positron emission tomography/CT examination was used to detect liver, adrenal, bone, and supraclavicular lymph node metastasis, besides extrathoracic metastasis. RESULTS: Liver, bone, and extrathoracic metastasis in group 1 was statistically lower than in group 2 (p<0.001, p<0.01, and p=0.03, respectively). Liver, extrathoracic, adrenal, and bone metastasis in group 3 was statistically lower than that in group 4 (p<0.001, p=0.01, and p=0.04, p<0.01, respectively). The extrathoracic extension was observed in only one patient in group 3. In addition, liver, adrenal, and bone metastases were not observed in group 3 patients. CONCLUSION: Positron emission tomography/CT may be more appropriate for cases with a nodule diameter of <= 20 mm. Performing local imaging in patients with a nodule diameter of <= 20 mm could reduce radiation exposure and save radiopharmaceuticals used in positron emission tomography/CT imaging.en_US
dc.identifier.doi10.1590/1806-9282.20230762
dc.identifier.issn0104-4230
dc.identifier.issn1806-9282
dc.identifier.issue2en_US
dc.identifier.pmid38451574
dc.identifier.scopus2-s2.0-85187200547
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1590/1806-9282.20230762
dc.identifier.urihttps://hdl.handle.net/11468/18629
dc.identifier.volume70en_US
dc.identifier.wosWOS:001182429400001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherAssoc Medica Brasileiraen_US
dc.relation.ispartofRevista Da Associacao Medica Brasileira
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectThoraxen_US
dc.subjectWhole Body Imagingen_US
dc.subjectSolitary Pulmonary Noduleen_US
dc.subjectLung. Canceren_US
dc.titleLocal imaging to interpret tumor size in F18 fluorodeoxyglucose positron emission tomography/CT in lung cancersen_US
dc.titleLocal imaging to interpret tumor size in F18 fluorodeoxyglucose positron emission tomography/CT in lung cancers
dc.typeArticleen_US

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