Gynecomastia epidemiology and demographics: Difference between revisions

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==Epidemiology and Demographics==
==Epidemiology and Demographics==
===Incidence===
*The incidence/prevalence of [disease name] is approximately [number range] per 100,000 individuals worldwide.
*In [year], the incidence/prevalence of [disease name] was estimated to be [number range] cases per 100,000 individuals worldwide.


===Prevalence===
===Prevalence===
*In [year], the incidence/prevalence of [disease name] was estimated to be [number range] cases per 100,000 individuals worldwide.
*The prevalence of gynecomastia in infants ranges from 60,000 per 100,000 to 90,000 per 100,000.
*The prevalence of [disease/malignancy] is estimated to be [number] cases annually.
*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.
===Case-fatality rate===
*In [year], the incidence of [disease name] is approximately [number range] per 100,000 individuals with a case-fatality rate of [number range]%.
*The case-fatality rate of [disease name] is approximately [number range].
===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 proliferation.
*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].
*[Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2].
===Developed Countries===
===Developing Countries===


==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

  1. Braunstein GD (1993). "Gynecomastia". N Engl J Med. 328 (7): 490–5. doi:10.1056/NEJM199302183280708. PMID 8421478.
  2. 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.
  3. 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.

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