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versão impressa ISSN 0100-3984
CERCI, Juliano Julio et al. 2-[18F]-fluoro-2-deoxy-D-glucose positron-emission tomography is cost-effective in the initial staging of non-small cell lung cancer patients in Brazil. Radiol Bras [online]. 2012, vol.45, n.4, pp. 198-204. ISSN 0100-3984. http://dx.doi.org/10.1590/S0100-39842012000400004.
OBJECTIVE: To evaluate the accuracy and cost-effectiveness of metabolic staging (MS) with FDG-PET as compared with the conventional staging (CS) strategy in the preoperative staging of non-small cell lung cancer (NSCLC). MATERIALS AND METHODS: A total of 95 patients with initial diagnosis of NSCLC were staged before undergoing treatment. The MS and CS results were compared with regard to treatment definition and incidence of futile thoracotomies with both strategies. RESULTS: Metabolic staging with FDG-PET upstaged 48.4% and downstaged 5.3% of the patients, and would lead to change in the treatment of 41% of cases. Thoracotomy was considered as futile in 47% of the patients with CS, and in 19% of the patients with MS. The cost of futile thoracotomies in eight patients with MS was R$ 79,720, while in 31 patients with CS it would be R$ 308,915. Just such saving in costs would be more than enough to cover the costs of all FDG-PETs (R$ 126,350) or FDG-PET/CTs (R$ 193,515) for the 95 patients. CONCLUSION: The metabolic staging with FDG-PET is more accurate than CS in patients with NSCLC. Both FDG-PET and FDG-PET/CT are cost-effective methods and their utilization is economically justifiable in the Brazilian public health system.
Palavras-chave : Non-small cell lung cancer; FDG-PET; Staging; Cost-effectiveness.