Frequency united states this condition occurs in less than 1% of the general population and in 514% of patients presenting with secondary amenorrhea. Phosphorylated prolactin has much lower biological activity than nonphosphorylated prolactin 1859. Symptoms of prolactinoma are due to too much prolactin in the blood hyperprolactinemia, or those caused by pressure of the tumor on surrounding tissues. Estos trastornos pueden alternarse en una misma paciente. Hiperprolactinemia e hipotiroidismo hipotiroidismo dopamina. Prolactina, prolactinoma, amenorrea galactorrea, dopaminergicos. Therefore, most patients with microadenomas verified by imaging may be monitored with. About 1 in 10,000 people will develop a prolactinoma for which a clear cause is not known. Symptoms of prolactinoma are due to too much prolactin in the blood hyperprolactinemia, or those caused by. Challenges and pitfalls in the diagnosis of hyperprolactinemia. Clinical guidelines for diagnosis and treatment of. Causas farmacologicas hipotiroidismo, prolactinomas, amenorrea, anticoncepcion.
Bronstein3 abstract the definition of the etiology of hyperprolactinemia often represents a great challenge and an accurate diagnosis is paramount before treatment. Download as pptx, pdf, txt or read online from scribd. Causas patologicas reserpina, cimetidina, antidepresivos. Winner of the standing ovation award for best powerpoint templates from presentations magazine. K ey wor ds prolactinomas, dopamine agonist, valvulopathy prol actin and c auses of h y per prol actina emi a. The tumor causes the pituitary to produce too much prolactin leading to hyperprolactinemia. Moreover, hyperprolactinemia has been linked to weight gain and insulin resistance, which can be ameliorated following medical treatment. Pat i e n t i n f o r m at i o n pituitary society. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Physiological causes of amenorrhea functional hypothalamic amenorrhea fha fha, or stressinduced anovulation, is one of the most common causes of secondary amenorrhea, and it accounts for the reproductive dysfunction seen in undernutrition, excessive exercise, severe emotional stress, and chronic disease.
Pdf hiperprolactinemia y prolactinoma researchgate. Neuroendocrine causes of amenorrheaan update the journal. On the other hand, an untreated prolactinoma should be followed closely to determine whether it is enlarging. Prolactinoma tumores hipofisarios enfermedades del. Prevalence of hyperprolactinemia with the different antipsychotic agents. A prolactinoma is almost always benign, meaning it is not a cancer.
It is very unlikely for a prolactinoma to grow significantly without an increase in serum prl levels, although this phenomenon has been reported. It is the most common type of functioning pituitary tumor. The hormone was given its name based on the fact that an extract of bovine pituitary gland would cause growth of the crop sac and. At ucsf, 253 prolactinoma patients undergoing surgery had greater reductions in prolactin levels and lower postop prolactin levels at longterm follow up and were less likely to require additional medical therapy if they were on preoperative bromocriptine n77 versus if they had never been exposed to preoperative dopamine agonists n176. Hyperprolactinemia due to a prolactin secreting pituitary adenoma is now a well recognized cause of secondary amenorrhea in women. Ppt amenorrhea powerpoint presentation free to view. From a teleological standpoint, in the face of nutritional or physical stress. Amenorrea significa ausencia o no existencia del periodo.