need help with your account or subscription? click here to email us (or see the contact page)
join telegramNEW! discord
jump to exam page:
search for anything ⋅ score predictor (โ€œpredict me!โ€)

You must be logged in to vote!
You must be logged in to vote!
You must be logged in to vote!
You must be logged in to vote!
Retired NBME 23 Answers

nbme23/Block 2/Question#8 (reveal difficulty score)
An 8-year-old boy is brought to the physician ...
Serum calcitonin concentration ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags:

 Login (or register) to see more


 +20  upvote downvote
submitted by โˆ—mousie(272)
get full access to all contentpick a username

Marfanoid habitus + Mucosal neuromas + Neck mass = MEN 2B (PMM) Pheo, Medullary thyroid CA (Calcitonin secreting), mucosal neuromas

get full access to all contentpick a username
thotcandy  I knew it was MEN2B but forgot medullary ca of Thyroid is parafollicular/c cells which means Calcitonin, not T3/T4 Other answers: AntiThyroglobulin: Hashimoto's (or other thyroiditis) Dexamethasone suppression test: positive/suppressed in pituitary adenoma (acth secreting), negative/unresponsive in Adrenal hyperplasia/adenoma (suppressed by high dose) or ectopic acth (unresponsive to high dose) Serum TSH test: for papillary or follicular ca, thyroid adenomas are usually cold but could also cause HyperT TSHR antibodies: graves disease, hyperT +6


You must be logged in to vote!
You must be logged in to vote!
You must be logged in to vote!
You must be logged in to vote!

 +1  upvote downvote
submitted by โˆ—madamestep(17)
get full access to all contentpick a username

Remember that medullary carcinoma of the thyroid is medullary. So it's between the follicles. What's between the follicles in the thyroid? C cells that secrete calcitonin.

get full access to all contentpick a username


You must be logged in to vote!
You must be logged in to vote!
You must be logged in to vote!
You must be logged in to vote!

 +0  upvote downvote
submitted by โˆ—mannan(18)
get full access to all contentpick a username

Why is medullary thyroid cancer on the lateral side of the neck???

get full access to all contentpick a username
username  I think it is referring to like not in the midline but lateral to it. Not completely lateral but like center lateral +


You must be logged in to vote!
You must be logged in to vote!
You must be logged in to vote!
You must be logged in to vote!

Must-See Comments from nbme23

ferrero on Precapillary resistance
yotsubato on 99%
sne on Triglyceride
sajaqua1 on Area labeled โ€˜Dโ€™ (Spinothalamic tract, right)
stinkysulfaeggs on Hypoglycemia
hayayah on Iris
soph on Peak inspiratory pressure (alveolar): ...
seagull on Area labeled โ€˜Cโ€™ (Cranial nerve 8: ...
water on Dietary change
wired-in on 28.8
beeip on Binding of permeable ligand to nuclear ...
thomasalterman on Hypoglycemia
yotsubato on Inhibition of the cytochrome P450-dependent ...
seagull on Decreased sodium bicarbonate reabsorption in ...

search for anything NEW!