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Hypogonadism: Its Prevalence and Diagnosis
1Research Program in Men's Health: Aging and Metabolism, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA 02115, USA.
The Urologic Clinics of North America
|May 3, 2016
Summary
Hypogonadism is a clinical syndrome caused by testicular failure to produce testosterone and sperm. It stems from issues in the hypothalamic-pituitary-gonadal axis, leading to various symptoms based on onset and severity.
Area of Science:
- Endocrinology
- Reproductive Medicine
- Men's Health
Background:
- Hypogonadism is a clinical syndrome characterized by the testes' failure to produce adequate testosterone and spermatozoa.
- This condition arises from defects within the hypothalamic-pituitary-gonadal axis.
- It can manifest as primary hypogonadism (testicular malfunction) or secondary hypogonadism (hypothalamic/pituitary failure).
Purpose of the Study:
- To define hypogonadism as a clinical syndrome.
- To outline the causes of primary and secondary hypogonadism.
- To describe the factors influencing the signs and symptoms of hypogonadism.
Main Methods:
- Review of clinical definitions and etiological factors of hypogonadism.
- Analysis of the hypothalamic-pituitary-gonadal axis in relation to hypogonadism.
- Correlation of clinical presentation with underlying causes and severity of androgen deficiency.
Main Results:
- Hypogonadism results from testicular failure at various levels of the hypothalamic-pituitary-gonadal axis.
- Primary hypogonadism is linked to testicular causes like genetic factors, injury, inflammation, or infection.
- Secondary hypogonadism is associated with hypothalamic/pituitary issues, often due to genetic defects, neoplasms, or infiltrative disorders.
Conclusions:
- Hypogonadism is a complex endocrine disorder with diverse etiologies.
- The clinical manifestation of hypogonadism is highly variable.
- Understanding the underlying cause is crucial for managing hypogonadism and its associated symptoms.
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