Leydig cell hypoplasia: Difference between revisions
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{{Infobox medical condition | |||
| name = Leydig cell hypoplasia | |||
| image = [[File:Autosomal_recessive_-_en.svg|200px]] | |||
| caption = Leydig cell hypoplasia is inherited in an [[autosomal recessive]] pattern. | |||
| synonyms = LCH | |||
| field = [[Endocrinology]] | |||
| symptoms = [[Undervirilization]], [[ambiguous genitalia]], [[infertility]] | |||
| complications = [[Hypogonadism]], [[osteoporosis]] | |||
| onset = Congenital | |||
| duration = Lifelong | |||
| causes = Mutations in the [[LHCGR]] gene | |||
| risks = Family history of the condition | |||
| diagnosis = [[Genetic testing]], [[hormone level testing]] | |||
| differential = [[Androgen insensitivity syndrome]], [[5-alpha-reductase deficiency]] | |||
| treatment = [[Hormone replacement therapy]], [[surgery]] | |||
| prognosis = Variable, depending on severity | |||
| frequency = Rare | |||
}} | |||
[[File:46,XY_individual_with_complete_LH_insensitivity.jpg|46,XY individual with complete LH insensitivity|thumb|left]] | |||
'''Leydig cell hypoplasia''' is a rare form of [[intersex]] condition in which an individual's external [[genitalia]] do not match their genetic sex. This condition is caused by mutations in the [[Luteinizing hormone/choriogonadotropin receptor|LHCGR]] gene, which is responsible for the development of [[Leydig cells]], the cells that produce [[testosterone]] in males. | '''Leydig cell hypoplasia''' is a rare form of [[intersex]] condition in which an individual's external [[genitalia]] do not match their genetic sex. This condition is caused by mutations in the [[Luteinizing hormone/choriogonadotropin receptor|LHCGR]] gene, which is responsible for the development of [[Leydig cells]], the cells that produce [[testosterone]] in males. | ||
==Causes== | ==Causes== | ||
Leydig cell hypoplasia is caused by mutations in the LHCGR gene. This gene provides instructions for making a protein that is found on the surface of cells in the [[testes]], [[ovaries]], and [[adrenal glands]]. The protein produced by the LHCGR gene is essential for the normal function of Leydig cells. Mutations in this gene can lead to a decrease in the number of functional Leydig cells, resulting in low levels of testosterone. | Leydig cell hypoplasia is caused by mutations in the LHCGR gene. This gene provides instructions for making a protein that is found on the surface of cells in the [[testes]], [[ovaries]], and [[adrenal glands]]. The protein produced by the LHCGR gene is essential for the normal function of Leydig cells. Mutations in this gene can lead to a decrease in the number of functional Leydig cells, resulting in low levels of testosterone. | ||
==Symptoms== | ==Symptoms== | ||
The symptoms of Leydig cell hypoplasia can vary greatly from person to person. In males, the condition can cause [[micropenis]], [[cryptorchidism]] (undescended testes), and a lack of secondary sexual characteristics such as facial hair and a deep voice. In females, the condition can cause [[amenorrhea]] (absence of menstrual periods) and lack of secondary sexual characteristics such as breast development. | The symptoms of Leydig cell hypoplasia can vary greatly from person to person. In males, the condition can cause [[micropenis]], [[cryptorchidism]] (undescended testes), and a lack of secondary sexual characteristics such as facial hair and a deep voice. In females, the condition can cause [[amenorrhea]] (absence of menstrual periods) and lack of secondary sexual characteristics such as breast development. | ||
==Diagnosis== | ==Diagnosis== | ||
Diagnosis of Leydig cell hypoplasia is typically made through a combination of physical examination, medical history, and laboratory tests. Genetic testing can confirm the presence of mutations in the LHCGR gene. | Diagnosis of Leydig cell hypoplasia is typically made through a combination of physical examination, medical history, and laboratory tests. Genetic testing can confirm the presence of mutations in the LHCGR gene. | ||
==Treatment== | ==Treatment== | ||
Treatment for Leydig cell hypoplasia is typically focused on managing the symptoms of the condition. This can include hormone replacement therapy to increase testosterone levels in males, or estrogen replacement therapy in females. Surgery may also be an option to correct physical abnormalities. | Treatment for Leydig cell hypoplasia is typically focused on managing the symptoms of the condition. This can include hormone replacement therapy to increase testosterone levels in males, or estrogen replacement therapy in females. Surgery may also be an option to correct physical abnormalities. | ||
==See also== | ==See also== | ||
* [[Intersex]] | * [[Intersex]] | ||
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* [[Testosterone]] | * [[Testosterone]] | ||
* [[Leydig cell]] | * [[Leydig cell]] | ||
[[Category:Intersex and medicine]] | [[Category:Intersex and medicine]] | ||
[[Category:Genetic diseases and disorders]] | [[Category:Genetic diseases and disorders]] | ||
[[Category:Endocrine diseases]] | [[Category:Endocrine diseases]] | ||
{{stub}} | {{stub}} | ||
Latest revision as of 21:37, 6 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD's medical weight loss NYC, sleep center NYC
Philadelphia medical weight loss and Philadelphia sleep clinics
| Leydig cell hypoplasia | |
|---|---|
| |
| Synonyms | LCH |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Undervirilization, ambiguous genitalia, infertility |
| Complications | Hypogonadism, osteoporosis |
| Onset | Congenital |
| Duration | Lifelong |
| Types | N/A |
| Causes | Mutations in the LHCGR gene |
| Risks | Family history of the condition |
| Diagnosis | Genetic testing, hormone level testing |
| Differential diagnosis | Androgen insensitivity syndrome, 5-alpha-reductase deficiency |
| Prevention | N/A |
| Treatment | Hormone replacement therapy, surgery |
| Medication | N/A |
| Prognosis | Variable, depending on severity |
| Frequency | Rare |
| Deaths | N/A |
Leydig cell hypoplasia is a rare form of intersex condition in which an individual's external genitalia do not match their genetic sex. This condition is caused by mutations in the LHCGR gene, which is responsible for the development of Leydig cells, the cells that produce testosterone in males.
Causes[edit]
Leydig cell hypoplasia is caused by mutations in the LHCGR gene. This gene provides instructions for making a protein that is found on the surface of cells in the testes, ovaries, and adrenal glands. The protein produced by the LHCGR gene is essential for the normal function of Leydig cells. Mutations in this gene can lead to a decrease in the number of functional Leydig cells, resulting in low levels of testosterone.
Symptoms[edit]
The symptoms of Leydig cell hypoplasia can vary greatly from person to person. In males, the condition can cause micropenis, cryptorchidism (undescended testes), and a lack of secondary sexual characteristics such as facial hair and a deep voice. In females, the condition can cause amenorrhea (absence of menstrual periods) and lack of secondary sexual characteristics such as breast development.
Diagnosis[edit]
Diagnosis of Leydig cell hypoplasia is typically made through a combination of physical examination, medical history, and laboratory tests. Genetic testing can confirm the presence of mutations in the LHCGR gene.
Treatment[edit]
Treatment for Leydig cell hypoplasia is typically focused on managing the symptoms of the condition. This can include hormone replacement therapy to increase testosterone levels in males, or estrogen replacement therapy in females. Surgery may also be an option to correct physical abnormalities.
