Saturday, 13 October 2012

WOTD: Prolactinoma

Side-view MRI scan showing a Prolactinoma. Photograph: UCLA Neurosurgery

"Prolactinoma" - A noncancerous tumour of the pituitary gland the causes over-production of prolactin. In women, this may result in galactorrhoea, amenorrhoea, or infertility. In men, it may cause erectile dysfunction and gynaecomastia. In either sex, it may cause headaches, diabetes insipidus, and, if the tumour presses on the optic nerves, loss of the outer visual field. Diagnosis is made from blood tests and CT scanning or MRI of the brain. Treatment may involve removal of the tumour, radiotherapy or giving the drug bromocriptine.

"prolactinoma". British Medical Association (2007). Illustrated Medical Dictionary. 2nd ed. London: Dorling Kindersley (DK). p466.

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