Testicular cancer

Testicular cancer
Other namesTestis tumor[1]
7.4 × 5.5-cm seminoma in a radical orchiectomy specimen.
SpecialtyOncology
SymptomsLump in the testicle, swelling or pain in the scrotum[2]
Usual onset20 to 34 years old males[3]
TypesGerm cell tumors (seminomas and nonseminomas), sex-cord stromal tumors, lymphomas[4][5]
Risk factorsUndescended testis, family history of the disease, previous history of testicular cancer[5]
Diagnostic methodPhysical exam, ultrasound, blood tests, surgical removal of the testicle[2]
Differential diagnosisSpermatocele, epididymitis, inguinal hernia, appendix testis[1]
TreatmentSurgery, radiation therapy, chemotherapy, stem cell transplantation[2]
PrognosisFive-year survival rate rates ~ 95% (US)[3]
Frequency686,000 (2015)[6]
Deaths9,400 (2015)[7]

Testicular cancer is cancer that develops in the testicles, a part of the male reproductive system.[2] Symptoms may include a lump in the testicle or swelling or pain in the scrotum.[2] Treatment may result in infertility.[2]

Risk factors include an undescended testis, family history of the disease, and previous history of testicular cancer.[5] More than 95% are germ cell tumors which are divided into seminomas and non-seminomas.[8] Other types include sex-cord stromal tumors and lymphomas.[4] Diagnosis is typically based on a physical exam, ultrasound, and blood tests.[2] Surgical removal of the testicle with examination under a microscope is then done to determine the type.[2]

Testicular cancer is highly treatable and usually curable.[5] Treatment options may include surgery, radiation therapy, chemotherapy, or stem cell transplantation.[2] Even in cases in which cancer has spread widely, chemotherapy offers a cure rate greater than 80%.[4]

Globally testicular cancer affected about 686,000 people in 2015.[6] That year it resulted in 9,400 deaths up from 7,000 deaths in 1990.[7][9] Rates are lower in the developing than the developed world.[10] Onset most commonly occurs in males 20 to 34 years old, rarely before 15 years old.[3][11] The five-year survival rate in the United States is about 95%.[3] Outcomes are better when the disease remains localized.[3]

  1. ^ a b Ferri FF (2017). Ferri's Clinical Advisor 2018 E-Book: 5 Books in 1. Elsevier Health Sciences. p. 1253. ISBN 9780323529570.
  2. ^ a b c d e f g h i "Testicular Cancer Treatment". National Cancer Institute. 7 July 2016.
  3. ^ a b c d e "Cancer of the Testis - Cancer Stat Facts". SEER. Retrieved 19 December 2017.
  4. ^ a b c Feldman DR, Bosl GJ, Sheinfeld J, Motzer RJ (13 February 2008). "Medical treatment of advanced testicular cancer". JAMA. 299 (6): 672–684. doi:10.1001/jama.299.6.672. PMID 18270356.
  5. ^ a b c d "Testicular Cancer Treatment". National Cancer Institute. 26 January 2017. Retrieved 19 December 2017.
  6. ^ a b GBD Disease and Injury Incidence and Prevalence C (8 October 2016). "Global, regional, and national incidence, prevalence, and years lived with disability for 310 diseases and injuries, 1990-2015: a systematic analysis for the Global Burden of Disease Study 2015". Lancet. 388 (10053): 1545–1602. doi:10.1016/S0140-6736(16)31678-6. PMC 5055577. PMID 27733282. {{cite journal}}: |first= has generic name (help)
  7. ^ a b GBD Mortality and Causes of Death C (8 October 2016). "Global, regional, and national life expectancy, all-cause mortality, and cause-specific mortality for 249 causes of death, 1980-2015: a systematic analysis for the Global Burden of Disease Study 2015". Lancet. 388 (10053): 1459–1544. doi:10.1016/s0140-6736(16)31012-1. PMC 5388903. PMID 27733281. {{cite journal}}: |first= has generic name (help)
  8. ^ Enhorn LH (2020). "190. Testicular cancer". In Goldman L, Schafer AI (eds.). Goldman-Cecil Medicine. Vol. 1 (26th ed.). Philadelphia: Elsevier. pp. 1335–1337. ISBN 978-0-323-55087-1.
  9. ^ GBD Mortality and Causes of Death C (17 December 2014). "Global, regional, and national age-sex specific all-cause and cause-specific mortality for 240 causes of death, 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013". Lancet. 385 (9963): 117–171. doi:10.1016/S0140-6736(14)61682-2. PMC 4340604. PMID 25530442. {{cite journal}}: |first= has generic name (help)
  10. ^ "Testicular cancer incidence statistics". Cancer Research UK. 15 May 2015. Retrieved 19 December 2017.
  11. ^ Hayes-Lattin B, Nichols CR (October 2009). "Testicular Cancer: A Prototypic Tumor of Young Adults". Seminars in Oncology. 36 (5): 432–438. doi:10.1053/j.seminoncol.2009.07.006. PMC 2796329. PMID 19835738.

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