Pituitary Adenoma 1 Flashcards
The adenohypophysis / anterior pituitary synthesizes and secretes; ? hormone ?. ???H. ?-? hormone ? hormone ? ? hormone
growth prolactin ACT thyroid stimulating luteinizing follicle stimulating
The neurohypophysis / posterior pituitary stores and secretes hormones that were
produced in the ? (connected by the pituitary ?);
?-? hormone
?
Anti-diuretic
oxytocin
Pituitary Adenoma;
? tumours of the ? tissue.
o Can be life threatening due to ? effects or ? actions.
Some are associated with MEN ?/? syndromes.
Tumours ?cm are classified as macroadenomas.
Classified as ‘?’ or ‘non-?’ (silent) on the basis of whether they are ? or not.
benign glandular mass secretory 1/11a 1 1 functioning secretory
Non-functioning adenoma presentation;
• ? ?: compression of the optic chiasm.
• ? palsies: compression of cranial nerves Ill, IV & VI.
• ?: destroys the normal functioning tissue.
• Signs of ? ???: headache.
• Hypothalamic ? symptoms: altered ?, ?, sleep/wake cycle.
bitemporal hemianopia ocular hypopituitarism raised ICP compression appetite thirst
Functioning adenoma presentation; • ?: excessive GH production. • ?: excessive prolactin production. • ? syndrome: excessive ACTH production. • These can also cause any of the above ? effects.
acromegaly
hyperprolactinemia
Cushings
mass
Many tumours can secrete multiple hormones, yet tumours producing ?, ? or ? are very rare.
LH, FSH, TSH