Ovarian cancer epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rim Halaby, M.D. [2] Huda A. Karman, M.D.

Overview

Ovarian cancer is the 7th most common type of cancer in women worldwide[1] and the 8th most common type of cancer in the United States.[2] Ovarian cancer is the second most common gynecologic malignancy and the most common cause of gynecologic cancer death in the United States. Ovarian cancer is the second most common gynecologic malignancy in developed countries, with an incidence of 9.4 per 100,000 women and a mortality rate of 5.1 per 100,000. In developing countries, it is the third most common gynecologic malignancy (cervical cancer is the most common), with an incidence of 5.0 per 100,000 and a mortality rate of 3.1 per 100,000. The age-adjusted prevalence of ovarian cancer in the United States is 71.3 per 100,000 in 2011.[3] The estimated number of new cases of ovarian cancer is approximately 22,000.[4]

Epidemiology and Demographics

Prevalence

Incidence

Age

  • Older women are at highest risk. More than half of the deaths from ovarian cancer occur in women between 55 and 74 years of age.

Delay-adjusted incidence and observed incidence of ovarian cancer by age and race in the United States between 1975 and 2011

Race

  • Shown below is a table depicting the age-adjusted prevalence of ovarian cancer by race in 2011 in the United States.[3]
All Races White Black Asian/Pacific Islander Hispanic
Age-adjusted prevalence 71.3 per 100,000 76.2 per 100,000 44.2 per 100,000 63.2 per 100,000 59.1 per 100,000

Incidence of ovarian cancer by race in the United States between 1975 and 2011

API: Asian/Pacific Islander; AI/AN: American Indian/ Alaska Native

Percent Distribution of Ovarian Cancer by Histology

Among patients with histologically confirmed cases of ovarian cancer, the percent distribution of the types of the disease between 2007 and 2011 in the United States are:[3]

  • Carcinoma: 91.7%
    • Epidermoid carcinoma: 0.7%
    • Adenocarcinoma: 84%
      • Adenocarcinoma, not otherwise specified: 12.3%
      • Papillary adenocarcinoma: 1,5%
      • Clear cell adenocarcinoma: 5.2%
      • Endometrioid carcinoma: 9.7%
      • Cystadenocarcinoma, not otherwise specified: 0.4%
      • Serous cystadenocarcinoma: 20.9%
      • Papillary serous cystadenocarcinoma: 23.5%
      • Mucinous cystadenocarcinoma: 1.5%
      • Mucinous adenocarcinoma: 3.5%
      • Mucin-producing adenocarcinoma: 0.2%
      • Other adenocarcinoma: 5.3%
    • Other specific carcinoma: 2.3%
      • Stromal cell tumor: 1.6%
      • Other: 0.7%
    • Unspecified carcinoma, not otherwise specified: 4.6%
  • Sarcoma and other soft tissues: 0.4%
  • Other specific types: 6.9%
    • Mullerian mixed tumor: 3%
    • Malignant teratoma: 1.5%
    • Other: 2.4%
  • Unspecified: 1.1%

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].

References

  1. Ovarian cancer incidence statistics. Cancer research UK
  2. [www.cdc.gov/cancer/ovarian/statistics/ Ovarian cancer statistics. Cdc.gov]
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 Howlader N, Noone AM, Krapcho M, Garshell J, Miller D, Altekruse SF, Kosary CL, Yu M, Ruhl J, Tatalovich Z,Mariotto A, Lewis DR, Chen HS, Feuer EJ, Cronin KA (eds). SEER Cancer Statistics Review, 1975-2011, National Cancer Institute. Bethesda, MD, http://seer.cancer.gov/csr/1975_2011/, based on November 2013 SEER data submission, posted to the SEER web site, April 2014.
  4. Siegel R, Ma J, Zou Z, Jemal A (2014). "Cancer statistics, 2014". CA Cancer J Clin. 64 (1): 9–29. doi:10.3322/caac.21208. PMID 24399786.


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