Gynecomastia epidemiology and demographics: Difference between revisions
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==Overview== | ==Overview== | ||
Gynecomastia has trimodal age distribution with no racial preference.Gynecomastia has highest prevelance in elderly and neonatal age. | |||
==Epidemiology and Demographics== | ==Epidemiology and Demographics== | ||
Revision as of 20:27, 16 August 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
Gynecomastia has trimodal age distribution with no racial preference.Gynecomastia has highest prevelance in elderly and neonatal age.
Epidemiology and Demographics
Prevalence
- The prevalence of gynecomastia in infants ranges from 60,000 per 100,000 to 90,000 per 100,000.
- The prevalence of gynecomastia in pubertal age ranges from 4,000 per 100,000 to 69,000 per 100,000.
- The prevalence of gynecomastia in elderly (50-80 years) ranges from 24,000 per 100,000 to 65,000 per 100,000.
Age
- Gynecomastia has trimodal distribution.[1]
- The first peak is found in the neonatal period affecting 60-90 percent of all newborns. The second peak is during puberty and it declines in the late teenage years. The last peak is found in elderly with age ranging from 50-to-80-years olds.[2]
Race
- Gynecomastia has no racial predilection.[3]
Gender
- Gynecomastia is a benign male brest tissue condition.
Region
- The majority of [disease name] cases are reported in [geographical region].
References
- ↑ Braunstein GD (1993). "Gynecomastia". N Engl J Med. 328 (7): 490–5. doi:10.1056/NEJM199302183280708. PMID 8421478.
- ↑ Johnson RE, Murad MH (2009). "Gynecomastia: pathophysiology, evaluation, and management". Mayo Clin Proc. 84 (11): 1010–5. doi:10.1016/S0025-6196(11)60671-X. PMC 2770912. PMID 19880691.
- ↑ Harlan WR, Grillo GP, Cornoni-Huntley J, Leaverton PE (1979). "Secondary sex characteristics of boys 12 to 17 years of age: the U.S. Health Examination Survey". J. Pediatr. 95 (2): 293–7. PMID 448573.