Nuclear Medicine Board Exam Review 10 a Questions and Answers
9 views 0 purchase
Course
Nuclear Medicine Board
Institution
Nuclear Medicine Board
hat is blood brain barrier (BBB) imaging used for?
Ans- determine cerebral brain death (usually planar imaging if the patient is
claustrophobic or needs to be done at the bedside)
what are the indications to preforming BBB planar brain imaging?
Ans- 1) primary metastatic disease ( glioma, meni...
,what is the blood brain barrier and why under normal circumstances would a
radiopharmaceutical not cross it?
Ans- defense that prevents undesired substances from reaching the brain or
the CSF.
under normal circumstances when the BBB is intact, radiotracers would not be
able to cross, but where it is damaged, the tracer is able to cross
what is the desired radiopharmaceutial for BBB imaging and why?
Ans- 99mTc-pentetate (DTPA) is desired due to the rapid clearance by the
kidneys which leads to a higher target to non target ratio
what radiopharmaceutical is not desired for BBB imaging and why?
Ans- 99mTc-pertechnetate because it has an increased uptake in the choroid
plexus so you would need to administer a blocking agent prior (potassium
perchlorate)
, what is the primary PET imaging agent for BBB imaging? what does its uptake
levels in the brain mean?
Ans- 18F-FDG
concentration in the tumor=hotter
no concentration in the tumor=cold
is there any special patient prep needed for a BBB imaging study?
Ans- no special prep
get a patient history and if using pertechnetate use the blocking agent (0.2-1g
potassium perchnorate)
what is the protocol for imaging of the BBB?
How much tracer?
Ans- almost always planar
3-phase study
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ExamArsenal. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.