hyperprolactinaemia Flashcards
define hyperprolactinaemia
Excess serum prolactin because of a prolactinoma or drugs.
what is the effect of hyperolactinaemia on the blood ?
high levels of prolactin in the blood
what is prolactin released from?
from lactotrophs in the anterior pituitary gland
what are the two causes of hyperprolactinaemia?
-There could be a tumour that is secreting prolactin (prolactinoma).
-Or you are taking drugs such as ecstasy.
how is hyperprolactinaemia diagnosed?
High Serum Prolactin
> 1000mlU/l on one reading
OR
500-1000mlU/l on two occasions
what are the risk factors of hyperprolactinaemia?
-Female
-High serum prolactin
what are the symptoms of hyperprolactinaemia?
-Secondary amenorrhoea
-Galactorrhoea (breast milk)
-Sexual Dysfunction
-Gynaecomastia (man boobs)
what is the treatment/management of hyperprolactinaemia?
-Dopamine agonists such as cabergoline or bromocriptine can cause the prolactinoma to shrink.
If this is not possible, surgical removal of the prolactinoma is an option.