Anorchia


Anorchia

Infobox_Disease
Name = PAGENAME



Caption =
DiseasesDB = 29633
ICD10 = ICD10|Q|55|0|q|50
ICD9 = ICD9|752.89
ICDO =
OMIM = 273250
MedlinePlus = 001185
eMedicineSubj =
eMedicineTopic =
MeshID =

Anorchia (or anorchism) is a medical condition where both testes are absent at birth. Within a few weeks of fertilization, the embryo develops rudimentary sex organs, which are crucial to the development of the reproductive system. In the human male, if these fail to develop within eight weeks, the baby will have female genitalia (see Swyer syndrome). If the testes are lost between eight and 10 weeks, the baby will have ambiguous genitalia when it is born. However, if the testes are lost after 14 weeks, the baby will have a normal male reproductive system, other than the absence of testes.

Individuals with this condition have a 46,XY karyotype.

Signs include an empty scrotum and lack of secondary sex characteristics.

Tests include testosterone levels (low); follicle stimulating hormone and luteinizing hormone levels (elevated); X,Y karyotype; ultrasound or magnetic resonance imaging showing absent gonadal tissue; bone density (low); anti-Mullerian hormone levels (low); surgical exploration for evidence of male gonadal tissue.

Treatment

Treatment includes androgen (male hormone) supplementation, testicular prosthetic implantation, and psychological support.

Other names

Other names for anorchia include
*"congenital anorchia"
*"vanishing testes syndrome"
*"vanishing testes"
*"empty scrotum"
*"testicular regression syndrome (TRS)"

ee also

* Cryptorchidism
* Monorchism

References

*http://www.nlm.nih.gov/medlineplus


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Look at other dictionaries:

  • anorchia — SYN: anorchism. * * * an·or·chia (an orґke ə) congenital absence of the testis in a male; it may be either unilateral or bilateral. See also hypogonadism and vanishing testes syndrome. Called also anorchidism and anorchism …   Medical dictionary

  • anorchia — a·nor·chì·a s.f. TS med. → anorchidia {{line}} {{/line}} DATA: 1892. ETIMO: der. di orchi con an e 1 ia …   Dizionario italiano

  • anorchia — noun absence of one of both testes • Syn: ↑anorchism, ↑anorchidism • Hypernyms: ↑abnormality, ↑abnormalcy …   Useful english dictionary

  • анорхия — (anorchia; ан + греч. orchis яичко; син.: анорхидия, анорхизм) аномалия развития: полное отсутствие яичек, сопровождающееся гормональной дисфункцией и евнухоидизмом; может сочетаться с агенезией придатка яичка и семявыносящего протока …   Большой медицинский словарь

  • Анорхи́я — (anorchia; Ан + греч. orchis яичко; син.: анорхидия, анорхизм) аномалия развития: полное отсутствие яичек, сопровождающееся гормональной дисфункцией и евнухоидизмом; может сочетаться с агенезией придатка яичка и семявыносящего протока …   Медицинская энциклопедия

  • Cryptorchidism — Classification and external resources ICD 10 Q53 …   Wikipedia

  • Monorchism — Classification and external resources ICD 10 Q55.0 ICD 9 752.89 Monorchism is the state of having o …   Wikipedia

  • Скопцы — люди, подвергшиеся известной операции, а также последователи учения, возводящего ее на степень нравственной обязанности. Еще в языческой мифологии встречаются рассказы о случаях оскопления. Так, Веста, супруга Урана, вручила своему сыну Сатурну… …   Энциклопедический словарь Ф.А. Брокгауза и И.А. Ефрона

  • anorchism — Absence of the testes; may be congenital or acquired. SYN: anorchia. [G. an priv. + orchis, testicle] * * * n. congenital absence of one or both testes. * * * an·or·chism (an orґkiz əm) anorchia …   Medical dictionary

  • Testicle — Diagram of male (human) testicles …   Wikipedia


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