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|Title: ||Early lung cancer detection using spiral computed tomography and positron emission tomography|
|Author(s) : ||Bastarrika, G. (Gorka)|
Garcia-Velloso, M. (María José)
Lozano, M.D. (María D.)
Montes, U. (Usúa)
Torre, W. (Wenceslao)
Rodriguez-Spiteri, N. (Natalia)
Campo, A. (A.)
Seijo, L. (Luis)
Alcaide, A.B. (Ana Belén)
Pueyo, J. (Jesús)
Cano, D. (David)
Vivas, I. (Isabel)
Cosin, O. (Octavio)
Dominguez-Echavarri, P. (Pablo)
Serra, P. (Patricia)
Richter, J.A. (José Ángel)
Montuenga, L.M. (Luis M.)
Zulueta, J.J. (Javier J.)
|Issue Date: ||2005|
|Publisher: ||American Thoracic Society|
|Citation: ||Bastarrika G, Garcia-Velloso MJ, Lozano MD, Montes U, Torre W, Spiteri N, et al. Early lung cancer detection using spiral computed tomography and positron emission tomography. Am J Respir Crit Care Med 2005 Jun 15;171(12):1378-1383.|
|Keywords: ||Chronic obstructive pulmonary disease|
Lung cancer screening using computed tomography (CT) is effective in detecting lung cancer in early stages. Concerns regarding false-positive rates and unnecessary invasive procedures have been raised.
To study the efficiency of a lung cancer protocol using spiral CT and F-18-fluorodeoxyglucose positron emission tomography (FDG-PET).
High-risk individuals underwent screening with annual spiral CTs. Follow-up CTs were done for noncalcified nodules of 5 mm or greater, and FDG-PET was done for nodules 10 mm or larger or smaller (> 7 mm), growing nodules.
A total of 911 individuals completed a baseline CT study and 424 had at least one annual follow-up study. Of the former, 14% had noncalcified nodules of 5 mm or larger, and 3.6% had nodules of 10 mm or larger. Eleven non-small cell lung cancers (NSCLC) and one small cell lung cancer (SCLC) were diagnosed in the baseline study (prevalence rate, 1.32%), and two NSCLCs in the annual study (incidence rate, 0.47%). All NSCLCs (92% of prevalence cancers) were diagnosed in stage I (12 stage IA, 1 stage IB). FDG-PET was helpful for the correct diagnosis in 19 of 25 indeterminate nodules. The sensitivity, specificity, positive predictive value, and negative predictive value of FDG-PET for the diagnosis of malignancy were 69, 91, 90, and 71%, respectively. However, the sensitivity and negative predictive value of the screening algorithm, which included a 3-month follow-up CT for nodules with a negative FDG-PET, was 100%.
A protocol for early lung cancer detection using spiral CT and FDG-PET is useful and may minimize unnecessary invasive procedures for benign lesions.|
|Publisher version (URL): ||http://ajrccm.atsjournals.org/cgi/content/abstract/171/12/1378|
|Appears in Collections:||DA - Medicina - Radiología - Artículos de revista|
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