Radiopharmaceuticals
What is the half-life of Rb-82?
75 seconds
Calculating the dose to each organ before performing radionuclide therapy is known as what?
Dosimetry
What is the glucose cutoff for performing an FDG PET/CT?
200 mg/dl
When a positron collides with an electron is produces two photons with what energy?
511 keV
What is the name given to an inflammatory disease of the heart?
Sarcoidosis
What is the parent isotope of Ga-68?
Ge-68
What two adjunct medications are used during Lutathera treatment?
Antiemetics and amino acids
A patient that did not fast before an FDG PET/CT scan will have abnormal uptake in what two areas?
Muscle and bowel
What are the two benefits of performing the CT portion of a PET/CT?
Anatomical correlation and attenuation correction
For melanoma of the thigh, where would you expect to find the sentinel lymph node?
Groin
Lu-177 vipivotide tetraxetan is also known as what?
Pluvicto
Pluvicto is used to treat which type of cancer?
Prostate
What is the scan range for PET/CT when imaging Myeloma with F-18 FDG?
Head to toe
What is the term given to locating a positron event along the line of response?
Time of flight
What is the patient preparation for a patient having F-18 florbetapir?
No preparation
What PET/CT radiopharmaceutical is used for skeletal imaging?
F-18 sodium fluoride
What is the dose of Ra-223?
1.49 uCi/kg
It is important to keep patients warm when using F-18 FDG or you will have increased uptake where?
Brown fat
LORs passing through a single point arranged in a curve are known as what?
Sinogram
What is the dose of N-13 ammonia given for stress imaging?
20 mCi
What PET/CT radiopharmaceutical can be used to perform inter-ictal imaging?
F-18 FDG
What is the size of Y-90 SIRspheres?
20-60 microns
What are located on the cell surface that allow F-18 FDG to pass into the cell?
Glut1 transporters
When a photon from one annihilation and another photon from another annihilation are detected along the same LOR, it is referred to as what?
Random coincidence
A line pairs phantom is used to measure what in CT?
Spatial resolution