Gynecomastia epidemiology and demographics: Difference between revisions
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==Epidemiology and Demographics== | ==Epidemiology and Demographics== | ||
===Prevalence=== | ===Prevalence=== | ||
* | *The prevalence of gynecomastia in infants ranges from 60,000 per 100,000 to 90,000 per 100,000. | ||
*The prevalence of | *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=== | ===Age=== | ||
* Gynecomastia has trimodal distribution.<ref name="pmid8421478">{{cite journal| author=Braunstein GD| title=Gynecomastia. | journal=N Engl J Med | year= 1993 | volume= 328 | issue= 7 | pages= 490-5 | pmid=8421478 | doi=10.1056/NEJM199302183280708 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8421478 }} </ref> | * Gynecomastia has trimodal distribution.<ref name="pmid8421478">{{cite journal| author=Braunstein GD| title=Gynecomastia. | journal=N Engl J Med | year= 1993 | volume= 328 | issue= 7 | pages= 490-5 | pmid=8421478 | doi=10.1056/NEJM199302183280708 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8421478 }} </ref> | ||
* 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.<ref name="pmid19880691">{{cite journal| author=Johnson RE, Murad MH| title=Gynecomastia: pathophysiology, evaluation, and management. | journal=Mayo Clin Proc | year= 2009 | volume= 84 | issue= 11 | pages= 1010-5 | pmid=19880691 | doi=10.1016/S0025-6196(11)60671-X | pmc=2770912 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19880691 }} </ref> | * 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.<ref name="pmid19880691">{{cite journal| author=Johnson RE, Murad MH| title=Gynecomastia: pathophysiology, evaluation, and management. | journal=Mayo Clin Proc | year= 2009 | volume= 84 | issue= 11 | pages= 1010-5 | pmid=19880691 | doi=10.1016/S0025-6196(11)60671-X | pmc=2770912 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19880691 }} </ref> | ||
===Race=== | ===Race=== | ||
*Gynecomastia has no racial predilection.<ref name="pmid448573">{{cite journal |vauthors=Harlan WR, Grillo GP, Cornoni-Huntley J, Leaverton PE |title=Secondary sex characteristics of boys 12 to 17 years of age: the U.S. Health Examination Survey |journal=J. Pediatr. |volume=95 |issue=2 |pages=293–7 |year=1979 |pmid=448573 |doi= |url=}}</ref> | *Gynecomastia has no racial predilection.<ref name="pmid448573">{{cite journal |vauthors=Harlan WR, Grillo GP, Cornoni-Huntley J, Leaverton PE |title=Secondary sex characteristics of boys 12 to 17 years of age: the U.S. Health Examination Survey |journal=J. Pediatr. |volume=95 |issue=2 |pages=293–7 |year=1979 |pmid=448573 |doi= |url=}}</ref> | ||
===Gender=== | ===Gender=== | ||
* Gynecomastia is a benign male brest tissue | *Gynecomastia is a benign male brest tissue condition. | ||
===Region=== | ===Region=== | ||
*The majority of [disease name] cases are reported in [geographical region]. | *The majority of [disease name] cases are reported in [geographical region]. | ||
==References== | ==References== | ||
Revision as of 20:21, 16 August 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
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.