Pulmonary nodule epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]
Overview
Pulmonary nodules are common.[1] The estimated prevalence of incidental pulmonary nodule ranges between 0.09% to 7% in general population.[1] The incidence rate of pulmonary nodule increases with age, tobacco use, and prior cancer; the median age at diagnosis is between 35 to 70 years. The prevalence of malignancy among pulmonary nodules ranges between 0.2% to 50%. Males are more commonly affected with pulmonary nodule than females. The male to female ratio is approximately 2 to 1. There is no racial predilection of pulmonary nodule.[2]
Epidemiology and Demographics
Incidence
- The incidence rate of pulmonary nodule increases with age, tobacco use, and prior cancer[2]
Prevalence
- Pulmonary nodules are common
- The estimated prevalence of incidental pulmonary nodule ranges between 0.09% to 7% in general population[2]
- The prevalence of malignancy among pulmonary nodules ranges between 0.2% to 50%
Age
- The median age at diagnosis for pulmonary nodule is between 35 to 70 years
Gender
- Males are more commonly affected with pulmonary nodule than females. The male to female ratio is approximately 2 to 1.
Ethnicity
- There is no racial predilection of pulmonary nodule[2]
References
- ↑ 1.0 1.1 McWilliams A, Tammemagi MC, Mayo JR, et. al. Probability of cancer in pulmonary nodules detected on first screening CT. N Engl J Med. 2013 Sep 5;369(10):910-9. doi:10.1056/NEJMoa1214726.
- ↑ 2.0 2.1 2.2 2.3 Ost D, Fein AM, Feinsilver SH (2003). "Clinical practice. The solitary pulmonary nodule". N. Engl. J. Med. 348 (25): 2535–42. doi:10.1056/NEJMcp012290. PMID 12815140. Unknown parameter
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