Male Hypogonadism
Endocrine Pathophysiology and Disorders
Male Hypogonadism
Male hypogonadism involves impaired testicular hormone production or reproductive function caused by testicular or central defects.
Locate the disturbance
Primary disorders originate mainly in the peripheral gland, while secondary disorders usually involve pituitary regulation. Hormone resistance affects target responsiveness. The appropriate upstream response helps interpret the pattern, but illness, medicines and assay interference can complicate a simple model.
Interpreting the mechanism
Clinical diagnosis integrates symptoms with appropriately repeated hormone measurements, and distinguishing the level of dysfunction helps explain gonadotropin patterns.
Symptoms and paired measurements
Fatigue, weight change and poor performance are nonspecific. Endocrine evaluation connects symptoms, examination, appropriately selected tests and, where indicated, imaging or dynamic assessment. A single abnormal hormone does not independently establish the underlying diagnosis.
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