Pituitary Disorders Flashcards
1
Q
Hyperpituitarism Causes
A
Prolactin cell adenoma
GH cell adenoma
2
Q
Hyperpituitarism Manifestation
A
Visual field abnormalities
Headach, N/V
3
Q
Hyperprolactinemia
A
Most common hyper
4
Q
Hyperprolactinemia Causes
A
Prolactinoma
Lack of dopamine inhibition (tumor, trauma)
Systemic disorder (renal, hypothyrodism)
Drug induced
5
Q
Prolactinoma
A
Amenorrhea
Galactorrhea
Hypogonadism
Infertility (men and women)
6
Q
Positive regulation of GH
A
GHRH
Ghrelin
7
Q
Negative regulation of GH
A
Somatostatitn
IGF-1
8
Q
Excess GH caused by
A
Pituitary Tumor (somatotroph adenoma - doesn't need GHRH reg just produces GH) Hypothalamic tumor
9
Q
Excess GH causes
A
Lean body mass
Diabetes
Polydispsia, glucosuria
Cardiac Hypertrophy
10
Q
GH Deficiency Adults
A
Somatotrope damage
11
Q
GH deficiency Children
A
GH Gene mutation
GHRH mutation
GH insensitiviy
