The effect of multiparity on intrasellar prolactinomas
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A complete reassessment of ovulation, pituitary reserve and function, and sella turcica anatomy was carried out in nine multiparous patients with intrasellar prolactinomas to determine whether long-term bromocriptine therapy was required and to document the natural history of the disease after two or more pregnancies. After the last pregnancy, bromocriptine was discontinued and pituitary function and anatomy and prolactinoma activity were reassessed with documentation of ovulation (basal body temperature graphs and menstrual history), search for fat droplet-positive galactorrhea, pituitary fossa tomography, computerized tomographic scan, triple-bolus testing, and visual fields. These data were compared with a similar workup carried out prior to the first pregnancy. Three groups of eventual outcomes were identified radiologically. Anterior pituitary gland function and reserve remained normal in all, and no neurological sequelae were noted. Four patients did not require long-term treatment. A hypothesis of autoinfarction of the adenoma is raised, since three patients were shown to have empty sellae.
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