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Endocrinology
Endocrinology COMLEX 2
118
Medical
Graduate
05/08/2015

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Term
signs of a thymoma
Definition
SOB, CP, hoarseness, dysphagia, SVC syndrome, MYASTHENIA GRAVIS
Term
changes to thyroid pannel in pregnancy
Definition
increased total T3/4, no change in free T3/4
Term
changes to thyroid panel in hepatic failure, nephrotic syndrome, steroid use
Definition
decreased total T3/4, no change in free T3/4
Term
euthyroid sick syndrome: free T4, total T4, TSH, iodine uptake, goiter
Definition
decreased total
decreased free
no change in TSH, uptake, goiter
Term
hashimotos: free T4, total T4, TSH, iodine uptake, goiter
Definition
total T4 low
free T4 normal/low
TSH high
uptake low
painless goiter
Term
cretinism: free T4, total T4, TSH, iodine uptake, goiter
Definition
free T4 low
total T4 low normal
TSH high
uptake low
painless goiter
Term
secondary hypothyroid: free T4, total T4, TSH, iodine uptake, goiter
Definition
total T4 low
free T4 low normal
TSH low
no change in uptake or goiter
Term
graves disease: free T4, total T4, TSH, iodine uptake, goiter
Definition
total T4 high
free T4 high
TSH low
uptake high
painless goiter
Term
toxic adenoma: free T4, total T4, TSH, iodine uptake, goiter
Definition
total T4 high
free T4 high
TSH low
uptake focal
goiter bumpy
Term
subacute/dequarvaines thyroiditis: free T4, total T4, TSH, iodine uptake, goiter, cuase, tx
Definition
total T4 high
free T4 high
TSH low
uptake low
goiter painful
cause: viral infection
tx: NSAIDS, BB
Term
postpartum/silent thyroiditis: free T4, total T4, TSH, iodine uptake, goiter, tx
Definition
total T4 high
free T4 high
TSH high
uptake low
goiter painless
NSAIDS, BB
Term
iratogenic thyroiditis: free T4, total T4, TSH, iodine uptake, goiter
Definition
total T4 high
free T4 high
TSH low
uptake normal
goiter none
Term
subacute lymphocytic thyroidis: free T4, total T4, TSH, iodine uptake, goiter
Definition
total T4 low
free T4 low
TSH low
uptake low
goiter painless
Term
chronic lymphocytic thyroiditis: free T4, total T4, TSH, iodine uptake, goiter
Definition
total T4 normal
free T4 normal
TSH normal
uptake irregular
goiter painless
Term
fibrous/ridels thyroiditis: free T4, total T4, TSH, iodine uptake, goiter
Definition
total T4 low
free T4 low
TSH high
uptake low
goiter firm
Term
graves disease cause, signs
Definition
Ab to TSH receptors cause hormone production

propotosis, exopthalmos, lid retraction, peritibial myexedema
Term
what drug causes hyperthyroidism
Definition
amiodarone
Term
treatment of thyroid storm
Definition
PTU
IV Na ipoxate/iopanoic acid: blocks release
steroids: block conversion
BB
IVF, cooling blankets, glucose
Term
side effect of thionamides
Definition
agranulocytosis
MET is contraindicated in pregnancy
Term
SE of radioactive iodine therapy
Definition
contraindicated in pregnancy and breast feeding
radioactive saldenitis
Term
hashimotos thyroiditis cause and risk factors
Definition
Ab to thyroid peroxidase, anti-microsomal ab, anti-thyroglobulin ab

turner syndrome, down syndrome, lupus, perinicious anemia, middle aged women
Term
cretinism cause, signs
Definition
genetic, maternal hypothyroidism, iodine deficiency, thyroid agenesis

christ like MR, poor feeding, lethargy, poor growth, hypotonicity, large frontalelle, umbilical hernia, enlarged protruding tongue, myexedema, goiter, hypothyroidism, poor bone development
Term
myexedema cause, signs
Definition
iodine deficiency, hashimotos, lithium, thyroid removal

broad facial features, enlarged tongue, deep voice, cold intolerance, fatigue, depression, SOB, weight gain, constipation, sweating, hyperlipidemia, oligomenorrhea
Term
treatmetn of myexedema coma
Definition
maintain BP and respiration
IV thyroxine and hydrocortisone
Term
after treatment for hypothyroidism when do you follow up
Definition
6wks, it takes that long for TSH to change
Term
3 non-toxic goiters and their causes
Definition
endemic: lack of iodine, decreases hormone and increases TSH causing follicle hypertrophy

sporatic: goitrogenic diet (brassica, cabbage, caluiflower, turnips) inhibits hormones

dyshormonogenic: hyreditary enzyme defect preventing hormone production
Term
plummer syndrome cause
Definition
regions of thyroid become TSH independent and secrete hormone without TSH control causing overall hyperthyroidism, the rest of the thyroid becomes hypofunctional
Term
how to diagnose a thyroid nodule
Definition
hyperthyroid: if hot treat hyperthyroidism, if cold FNA

euthyroid: FNA

hypothyroid: try levothyroxine, if it helps your done, if it doesnt FNA
Term
signs a thyroid nodule is probablly cancer
Definition
head/neck radiation as a child, family history, male, child or elderly, MEN II

solid, non-tender, rapid growth, cold, irregular margins, intranodal vascular pattern, microcalcifications, fixed, solitary, laryngeal nerve paralysis, dysphagia, hoarseness, cervical lymphadenopathy, elevated calcitonin
Term
what is the difference between a follicular thyroid adenoma and carcinoma
Definition
adenoma has a capsule
carcinoma does not have capsule
Term
what is a hurthle cell
Definition
seen in follicular adenoma and carcinoma
lots of cytoplas, tight packed mitochondria, nuclei with prominent nucleoli, radioiodine resistant
Term
what cancers spread hematogenously
Definition
follicular thyroid carcinoma
renal cell carcinoma
hepatocellular carcinoma
choriocarcinoma
Term
signs of papillary thyroid carcinoma
Definition
RET mutation, cuboidal epithelium
20-40yo, radiation to head and neck as child
ground glass, orphan annie nuclei (fine chromatin), psammoma simoma bodies, papillae cuboidal stalk
Term
signs of medullary thyroid carcinoma
Definition
parafollicular C cell prliferation, cacitonin secretion (NO HYPOCALCEMIA), VIP (diarrhea), serotonin, somatostatin
Term
signs of anaplastic thyroid carcinoma
Definition
poorly differentiated, seen in elderly with long standing follicular or papillary carcinoma, rock hard thyroid, bulky mass with compression signs
Term
pagets: Ca, P, ALK-P, PTH
Definition
ALK-P high
Term
osteomalacia: Ca, P, ALK-P, PTH
Definition
Ca low
P low
ALK-P normal
PTH high
Term
renal failure: Ca, P, ALK-P, PTH
Definition
Ca low
P high
ALK-P normal
PTH high
Term
osteoperosis: Ca, P, ALK-P, PTH
Definition
all normal
Term
osteopetrosis: Ca, P, ALK-P, PTH
Definition
all normal
Term
primary hyperPTH: Ca, P, ALK-P, PTH
Definition
Ca high
P low
ALK-P high
PTH high
Term
secondary hyperPTH: Ca, P, ALK-P, PTH
Definition
Ca low
P high
ALK-P high
PTH high
Term
primary hypoPTH: Ca, P, ALK-P, PTH
Definition
Ca low
P high
ALK-P normal
PTH low
Term
secondary hypoPTH: Ca, P, ALK-P, PTH
Definition
Ca low
P normal
ALK-P normal
PTH high
Term
pseudohypoparathyroidism: Ca, P, ALK-P, PTH
Definition
Ca low
P high
ALK-P normal
PTH high
Term
signs of hypoparathyroidism
Definition
anxiety, depression, confusion, psychosis, cataracts, prolonged QT, arrhythmia, tachycardia, dental hypoplasia, dry skin, weakness, chosteks, trosseaus, seizure, tetany, numbness, tingling
osteosclerosis, increased bone density
Term
causes of hypoparathyroid
Definition
surgical removal
diGeorge
familial hypoparathyroid: autoimmune polyendocrine syndrome 1
idiopathic
Term
primary hyperparathyroidism causes, signs
Definition
adenoma, hyperplasia, carcinoma

nephrolithiasis, nephrocalcinosis, cholelithiasis, osteofibrosis cystica, pathologic fracture, muscle pain, weakness, PUD, gout, constipation, pancreatitis, depression, sleep disturbance, anxiety, psychosis, decreased memory, stupor coma
HTN, short QT, keratitis, conjunctivitis, puritis
subperosteal bone reabsorption, decreased bone density
Term
treatment of primary hyperparathyroidism
Definition
parathyroidecromy
avoid: thiazides, lithium, prolonged rest, Ca >1000, volume depletion
hydration to avoid renal stones
bisphosphonates, exercise, vitamin D
frequent Ca, CR, bone density monitoring
Term
causes of secondary hyperparathyroidism
Definition
kidney cannot make vitamin D, PTH increases but Ca binds P causing hypocalcemia

vitamin D deficiency
Term
treatment of secondary hyperparathyroidism
Definition
decrease protein
Ca carbonate and Ca acetate bind P in gut
Ca and vitamin D replacement
Term
cause of pseudohypoparathyroidism
Definition
1A: maternal allele of pituitary and kidney mutation (low effect of TSH, GNRH, PTH)

pseudopseudo: paternal allele of all tisue except pitutiary and kidney (low PTH effect)
Term
signs of pseudohypoparathyroidism
Definition
1A: short 4-5th digits, short stature, obesity, MR, seizure

pseudopseudo: skeletal and developmental defects
Term
how is prolactin regulated, what other condition is it associated with
Definition
dopamine decreases it
TRH increases it

thyroid dysfunction causing pituitary increase in TRH will also increase prolactin
Term
paraneoplastic cause of hypercalcemia
Definition
squamous cell carcinoma of lung
Term
effect of thyroid on Ca
Definition
T3 stimulates osteoclast bone reabsorption
Term
when do you do surgery on a hyperprolactinoma
Definition
female with adenoma >3cm that desires to become pregnant

refractory to 2 dopamine agonists

neurological signs
Term
signs of GH releasing tumor
Definition
enlarged distal bones, arthralgia, nerve entrapment, large tongue, HTN, LVH, deep voice, coarse face, spread teeth, DIABETES
Term
diagnosis of GH excess and lack
Definition
excess: failure to suppress GH after oral glucose load, IGF-1 or somatostatin C elevation

decrease: failure to increase when given insulin
Term
treatment of GH secreting tumors
Definition
lanriotide and octreotide: blocks pituitary response to GNRH

pevisomat: GH receptor antagonist
Term
nelson's syndrme cause
Definition
after removal of adrenal gland, an existing corticotroph tumor rapidly grows and releases ACTH causing hyperpigmentation and mass effect
Term
signs of gondotroph adenoma
Definition
hypofunction: decreased enegy and libido, amenorrhea, infertility, loss of secondary sex characteristics, mensturation does not occur after medroxyprogesterone
Term
signs of GH lack
Definition
proportional dwarfism, decreased muscle mass, heart disease, increased LDL, growth failure
Term
charinopharyngioma signs
Definition
tumor of suprasellar due to rathkes remnent
#1 hypopituitary tumor in kids
causes bitemporal hemianopsia, headache, papilledema, hyperprolactinemia, DI, panhypopituitarism
calcification on MRI
Term
sheenhan syndrome signs
Definition
poor lactation, loss of pubic hair, ovarian failure, amenorrhea, weight loss, anorexia
Term
central DI cause, sx, tx
Definition
central low ADH secretion
nephrogenic: low ADH response
polyuria, polydypsia
isovolemic hypernatremia

central: desmopressin, chlorpromaide
nephrogenic: HCTZ, Na restriction
Term
SIADH causes
Definition
SCC lung, COPD, pneumonia
everything else.
Term
SIADH sx, tx
Definition
brain swelling cause seizure, coma, death, weakness, lethargy
if chronic may be asymptomatic

hyponatremia, concentrated urine

de,eclocycline inhibits ADH effects, water restriction, loop diuretic
Term
conn syndrome: ACTH, ALD, cortisol, high dose dex suppression, low dose dex suppression, renin, Na, K
Definition
ACTH normal
ALD high
cortisol normal
LoDEX not applicable
HiDEX not applicable
renin low
Na high
K low
Term
secondary hyperALD: ACTH, ALD, cortisol, high dose dex suppression, low dose dex suppression, renin, Na, K
Definition
ACTH normal
ALD high
cortisol normal
LoDEX not applicable
HiDEX not applicable
renin high
Na high
K low
Term
addisons disease: ACTH, ALD, cortisol, high dose dex suppression, low dose dex suppression, renin, Na, K
Definition
ACTH high
ALD low
cortiso low
LoDEX not applicable
HiDEX not applicable
renin high
Na low
K high
Term
secondary adrenal insufficiency: ACTH, ALD, cortisol, high dose dex suppression, low dose dex suppression, renin, Na, K
Definition
ACTH low
ALD normal
cortisol low
LoDEX not applicable
HiDEX not applicable
renin normal
Na normal
K normal
Term
tertiary adrenal insufficiency: ACTH, ALD, cortisol, high dose dex suppression, low dose dex suppression, renin, Na, K
Definition
ACTH low
ALD normal
cortisol low
LoDEX not applicable
HiDEX not applicable
renin normal
Na normal
K normal
Term
cushing disease: ACTH, ALD, cortisol, high dose dex suppression, low dose dex suppression, renin, Na, K
Definition
ACTH high
ALD normal
cortisol high
LoDEX no change
HiDEX suppression
renin normal
Na normal
K low
Term
adrenal hyperplasia: ACTH, ALD, cortisol, high dose dex suppression, low dose dex suppression, renin, Na, K
Definition
ACTH low
ALD normal
cortisol high
LoDEX no change
HiDEX no change
renin normal
Na normal
K low
Term
iratogenic cushings: ACTH, ALD, cortisol, high dose dex suppression, low dose dex suppression, renin, Na, K
Definition
ACTH low
ALD normal
cortisol high
LoDEX suppression
HiDEX suppression
renin normal
Na normal
K low
Term
paraneoplastic cushings: ACTH, ALD, cortisol, high dose dex suppression, low dose dex suppression, renin, Na, K
Definition
ACTH high
ALD normal
cortisol high
LoDEX no suppression
HiDEX no suppression
renin normal
Na normal
K low
Term
what are the areas of the adrenal gland and what do they make
Definition
glomerulosa: mineralcorticoids
fascuculate: glucacorticoids
reticularis: androgens
medulla: epi/nor
Term
adrenocortical neoplasia
Definition
usually silent, if functional causes atrophy of neighboring cortex and opposite adrenal gland due to suppression of ACTH by tumor products

virilizing, associated with li-fraumeni, backwith-weidmann

risk of invasion to adrenal vein, vena cava, lymphatics
Term
paraneoplastic cause of cushing syndrome
Definition
small cell carcinoma of the lung
Term
signs of cushing syndrome
Definition
truncal obesity, moon fascies, buffalo hump, acne, abdominal purple striae, laguno hair, osteoperosis, aseptic necrosis of femoral head, DIABETES, MENSTURAL IRREGULARITY, IMPOTENCE, INFERTILITY, cataracts, depression, insomnia, infection
Term
conns syndrome cause, signs
Definition
ALD producing tumor of adrenal gland (primary hyperaldosteronism)

HTN, fatigue, headache, noctural polyuria, parasthesias, polydypsia
saline infusion test does not decrease ALD
Term
treatment of conns syndrome
Definition
spironolactone inhibits ALD if hyperplasia
surgical resection if adenoma
Term
secondary hyperALD cause and tx
Definition
recreased renal perfusion (renal artery stenosis, nephrosclerosis), CHF, cirrhosis, nephrotic syndrome, pregnancy

spironolactone
Term
cause of acute primary adrenal insufficiency
Definition
rapid withdrawal from steroids, stress during chronic disease, massive adrenal hemorrhage

vomiting, abdominal pain, hypotension, vascular collapse, coma
Term
secondary adrenal insufficiency: cause, tx
Definition
pituitary disease, prednisone
Term
tertiary adrenal insufficiency: cause, tx
Definition
suppression of pituitary axis (withdrawal from chronic steroids)

prednisone
Term
causes of addisons disease
Definition
autoimmune adrenalitis (Ab to 21-hydroxylase, polyendocrine 1 and 2)
TB adrenalitis
metastastic cancer
infection
hematochromatosis
adrenal leukodystrophy
hemorrhage
Term
signs of addisons disease
Definition
anorexia, nausea, vomiting, decreased memory, depression, HYPOGLYCEMIA, hyperpigmentation, hypotension, hyperkalemia, hyponatremia, EOSINOPHILIA
Term
treatmetn of addisons disease
Definition
prednisone and fludrocortisone
DHEA in women
cortisol supplement in stress
Term
11b-hydroxylase deficiency: ALD, cortisol, androgens, genitalia, puberty, mensturation, K, Nam BP, marker
Definition
ALD low
cortisol low
androgens high
virilization
early puberty
no amenorrhea
K, Na, BP normal
increased deoxy and androgens
Term
17a-hydroxylase deficiency: ALD, cortisol, androgens, genitalia, puberty, mensturation, K, Nam BP, marker
Definition
ALD high
cortisol low
androgens low
ambiguous
late puberty
amenorrhea
low K
high Na
HTN
low 17a
Term
21a-hydroxylase deficiency: ALD, cortisol, androgens, genitalia, puberty, mensturation, K, Nam BP, marker
Definition
ALD high
cortisol low
androgens high
virilization
early puberty
no amenorrhea
K high
Na low
hypotension
high 17-hydroxyprogesterone and androgens
Term
what is a paraganglioma
Definition
extra-adrenal pheochromocytoma
Term
diagnosis of metabolic syndrome
Definition
minimum 3

waist >40in men >35in women
TG >150
HDL <40
BP >130/85
fasting glucose >100
2h postparandal >140
Term
diagnosis of preDM
Definition
HbA1C 5.8-6.4
fasting glucose 100-125
2h glucose 140-199
Term
diagnosis of DM
Definition
two fasting flucose >126
single glucose >200 with symptoms
HbA1c >6.5
2h glucuse >200
Term
what is target fasting glucose, HbA1C, post parandial peak in DM
Definition
fasting <130
post parandial <180
HbA1C <7
Term
what is BP, HDL, and LDL goal in DM
Definition
LDL <100
HDL >40 men >50 women
BP <130/80
Term
dawn phenomenon cause, signs, tx
Definition
increased nightly GH causes increase in glucose, 3AM and 7AM glucose will be elevated

tx: increases PM basal insulin
Term
somogyi phenemon cause, signs, tx
Definition
overdose of basal PM insulin causes night time hypoglycemia and rebound AM hyperglycemia
3AM glucose shows hypoglycemia
7AM glucose shows hyperglycemia

tx: decrease basal insulin in PM
Term
#1 COD in DM
Definition
coronary artery disease
Term
signs of diabetic nephropathy
Definition
proteinuria, microalbulinuria, kimmel stril wilson nodules if one area of sclerosis, hayline deposition if diffuse sclerosis
increased BUN/CR
Term
signs of DM retinopathy
Definition
proliferative: new vessels, vitreal hemorrhages, retinal detachment

nonproliferative: exudates (cotton wool spots), edema of macula, ischemia, hemorrhages
Term
what is the best predictor of DM retinopathy
Definition
renal disease (high proteinuria, BUN, CR)
Term
signs of DM autonomic neuropathy
Definition
postural HTN, impotence, neurogenic bladder, gastroparesis, constipation, diarrhea
Term
signs of DM ketoacidosis
Definition
vomiting, kussmaul respiration, fruity breath, dehydration, polytypsia, polyuria, altered LOC
glucose 400-800, serum and urine ketones, metabolic acidosis with anion gap, hyperkalemia (functional hypokalemia), hypernatremia, hypoP, hypoMg
Term
signs of hyperosmolar hyperglycemia nonketotic syndrome
Definition
polyuria, polydypsia, polyphagia, seizure, tachycardia, hypotension, confusion, lethargy, change in mental status, stroke
glucose >900, alkalosis, high BUN
Term
treatment of hyperosmolar hyperglycemia nonketotic syndrome
Definition
1L NS over 1h then 1L NS over 2h
1/2 NS once stable
when glucose reaches 250 add 5% glucose
give normal levels insulin entire time
Term
causes of hypoglycemia
Definition
reactive, iratogenic (sulfonyurea, insulin), insulinoma, fasting, alcohol, pituitary or adrenal insufficiency, liver failure, glycogen storage disease
Term
insulinoma sx, tx
Definition
diaphoresis, palpitations, tremor, HTN anxiety, weakness, headache, visual disturbance, confusion, seizure, mood instability,

becomes hypoglycemic on 72h fast but still has high insulin, elevated insulin and C-peptide

diazoxide stops insulin release, octreotide can help, resect
Term
glucagonoma sx
Definition
necrotizing migratory erythema expholating rash below waist (hyperpigment after healing)
glossitis, stomatitis, chelitis
abdominal pain, weight loss, anemia, hyperglycemia, LOW AA, INCREASED GLUCAGON, INCREASED GLUCOSE, DM refractory to treatment
Term
stomatostatinoma sx
Definition
DM, diarrhea, steatorrhea, cholelithiasis, hypochloridia, weight loss, increased somatostatin
Term
VIPoma cause, signs
Definition
B islet cell tumor

watery diarrhea, hypokalemia, acidosis, nausea, vomiting, anchloridia
Term
MEN I (wermers)
Definition
primary hyperparathyroidism
zollinger ellison
insulinoma
pituitary cushings
prolactinoma
GH pituitary tumor
Term
MEN IIa (sipple)
Definition
ASSOCIATED WITH RET
medullary thyroid carcinoma
pheochromocytoma
primary hyperparathyroid
Term
MEN IIb
Definition
mucosal neuroma
medullary thyroid carcinoma
marfanoid
pheochromacytoma
Term
what is the best way to test for graves
Definition
radioiodine uptake scan
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