Endocrine Flashcards
I 131 half life
8 days
I 123 half life
13 hours
at what size is an adrenal gland hyperplastic
over 20mm long or thicker than 4mm
normal 4 hour thyroid uptake
6-18%
24 hours
10-30%
what is carney triad
extra adrenal pheo
gist
pulmonary chondroma
how is absolute washout for adrenal calculated
(enhanced CT-delayed CT/(enhanced CT-unenhanced CT) x 100
how is relative washout calculated
(enhanced CT-delayed CT)/enhanced CT x 100
MEN I
pituitary
parathyroid
pancreas
MEN IIa
medullary thyroid CA
pheochromocytoma
parathyroid
MEN IIb
medullary thyroid CA
marfanoid habitus
pheochromocytoma
what thyroid cancer is associated with microcalcification
papillary thyroid
what cancer may be seen in thyroglossal duct cysts?
papillary cancer
what is RAIU in graves?
50-80%
what cancer are hasimoto patients at increased risk of?
thyroid lymphoma
two signs of hashimotos on US?
giraffe skin or white knight
what are delphian nodes?
level 6 nodes
what does reidel thyroiditis look like on mr
dark!
acute suppurative thyroiditis in kids start where?
4th branchial cleft anomaly
comet tail artifact=
colloid nodule
what two thyroid cancers respond well to I 131?
papillary and follicular
how does follicular cancer spread?
hematogenously
what study to evaulate treatment response for hurthle cell?
PET!
superior 2 PTH from
4th branchial pouch
inferior 2 PTH from
3rd branchial pouch