Adrenal Glands Flashcards
whats the name of that vessel that can help you identify the adrenal glands?
phrenicoabdominal veins
what are the 3 zones of the adrenal cortex?
glomerulosa (mineralcorticoids), fasciculata (glucocorticoids), reticularis (sex hormones)
hypoadrenocorticism is most common in ____ caused by _____. What are some clinical signs and WHY
dogs, idiopathic adrenocortical atrophy
GI signs, hypoglycemia, low cortisol and no response to ACTH stim test. insidious onset of vague clinical signs
describe what idipathic adrenocortical atrophy is
bilateral adrenal coritcal atrophy in young adult dogs, probably immune mediated, really small adrenal glands grossly
hyperadrenocorticism is most common in ____. what are the 3 ways in which this can happen and what is the most common?
dogs
- functional corticotroph pituitary adenoma (ACTH secreting), more common
- functional adrenal gland adenoma
- iatrogenic from giving steroids
clinical signs of cushings?
polyphagia, muscular atrophy, lorosis, big belly, trembling, sawhorse stance, alopecia, thin skin, calcinosis cutis, hepatomegaly, secondary infections, delayed wound healing
adrenal cortical adenomas are common in
adrenal coritcal carcinomas are common in
older dogs
older cattle and dogs
you see a ferret with billateral symmetric alopecia with vulvar swelling and melena. diagnosis???
proliferative lesions of the adrenal gland/adrenal disease. the zona reticularis undergoes hyperplasia and causes too many sex hormones to be made, leading to alopecia and pancytopenia due to bown marrow suppression
what is a pheochromocytoma?
the most common tumor of the adrenal medulla, most common in dogs and bulls
how can you tell between a pheochromocytoma and an adrenocortical adenoma?
pheochromocytomas will be dark red/brown, and adenomas of the coretex will be more yellow in color
