Hypogonadism Flashcards
Hypogonadism, characterized by deficient sex hormone production by the testes in men, manifests with lethargy, weakness, weight gain, decreased libido, erectile dysfunction, gynaecomastia, depression, infertility, and osteoporosis
What is the common cause of primary hypogonadism?
Trauma
Cryptorchidism (undescended testes)
Klinefelter syndrome
Mumps virus
What is the cause of secondary hypogonadism?
Kallmann syndrome, pituitary adenomas, hyperprolactinemia, anorexia nervosa, opioid use, glucocorticoid use, HIV/AIDS, hemochromatosis.
What is the management of symptomatic hypogonadism?
HRT with testosterone that is topical, oral or intramuscular
Regular DEXA scans
What is Kallman syndrome?
Kallmann syndrome is an autosomal dominant syndrome characterised by hypogonadotropic hypogonadism and anosmia. It may present with a lack of secondary sexual characteristics, as seen in these cases, and non-reproductive features include facial abnormalities and extra-ocular movement abnormalities, single kidney, shortened digits and deafness.
What are the blood test findings for primary hypogonadism?
Low GnRH, low testosterone, low LH, low FSH
What is empty sella syndrome
Flattening of pituitary gland due to issues with sella turcica or radiotherapy or surgery
What is the most common cause of hypopituitarism?
partial or complete deficiency of hormones produced by the pituitary gland, affecting functions such as growth, reproduction, thyroid regulation, adrenal function, and water balance