Lung Cancer Screening with Low-Dose Helical CT in Korea: Experiences at the Samsung Medical Center
Journal of Korean Medical Science
; : 402-408, 2005.
Article
em En
| WPRIM
| ID: wpr-53836
Biblioteca responsável:
WPRO
ABSTRACT
To determine overall detection rates of lung cancer by low-dose CT (LDCT) screening and to compare histopathologic and imaging differences of detected cancers between high- and low-risk groups, this study included 6,406 asymptomatic Korean adults with >or=45 yr of age who underwent LDCT for lung cancer screening. All were classified into high- (>or=20 pack-year smoking; 3,353) and low-risk (3,053; <20 pack-yr smoking and non-smokers) groups. We compared CT findings of detected cancers and detection rates between high- and low-risk. At initial CT, 35% (2,255 of 6,406) had at least one or more non-calcified nodule. Lung cancer detection rates were 0.36% (23 of 6,406). Twenty-one non-small cell lung cancers appeared as solid (n=14) or ground-glass opacity (GGO) (n=7) nodules. Cancer likelihood was higher in GGO nodules than in solid nodules (p<0.01). Fifteen of 23 cancers occurred in high-risk group and 8 in low-risk group (p=0.215). Therefore, LDCT screening help detect early stage of lung cancer in asymptomatic Korean population with detection rate of 0.36% on a population basis and may be useful for discovering early lung cancer in low-risk group as well as in high-risk group.
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Base de dados:
WPRIM
Assunto principal:
Estudo Comparativo
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Carcinoma de Células Escamosas
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Adenocarcinoma
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Tomografia Computadorizada por Raios X
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Programas de Rastreamento
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Fatores de Risco
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Carcinoma Pulmonar de Células não Pequenas
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Coreia (Geográfico)
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Neoplasias Pulmonares
Tipo de estudo:
Diagnostic_studies
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Etiology_studies
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Prognostic_studies
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Risk_factors_studies
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Screening_studies
Limite:
Aged
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Aged80
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Female
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Humans
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Male
País como assunto:
Asia
Idioma:
En
Ano de publicação:
2005
Tipo de documento:
Article