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. The estimated prevalence of incidental pulmonary nodule ranges between 0.09% to 7% in the general population. 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 to pulmonary nodule.

Epidemiology and Demographics

Incidence

Prevalence

  • The estimated prevalence of incidental pulmonary nodule ranges between 0.09% to 7% in the general population.[1]
  • The prevalence of malignancy among pulmonary nodules ranges between 0.2% to 50%.

Age

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 to pulmonary nodule.[1]

References

  1. 1.0 1.1 1.2 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 |month= ignored (help)

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