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Endocrine disorders of the pituitary (Anterior pituitary (Hypersecretion…
Endocrine disorders of
the pituitary
Anterior
pituitary
Hypersecretion
(earlier presentation)
Hormone:
Prolactin
Tumor: Prolactinoma
(Most common
functioning adenoma)
Hyperprolactinaemia
ACTH
Cushings
Rare
LH/FSH
TSH
GH
Gigantism (child)
Acromegaly (adult)
Hyposecretion
(later presentation)
Pituitary infarction
.
Treatment of hypersectetion
Pituitary insufficiency
All hormones
Prolactin sometimes increased,
since dopamine from hypothalamus
inhibits secretion, so less dopamine
= more prolactin
SOL
Non-functioning
pituitary adenoma
Tumor of surrounding
cells
.
Posterior
pituitary
Hypersecretion
ADH
SIADH
Hyposecretion
ADH
Diabetes insipidus
Oxytoxin
Oxytocin dificiency
difficulty in childbirth
difficulty breastfeeding
Cause
Disease
Hormone
Disease