AI Study Guide 3 Flashcards
What projections of the breast are performed as part of routine screening mammography?
Craniocaudal (CC), Mediolateral Oblique (MLO)
How many projections are required from complete examination of both breasts when implants are present?
8
Why is hydrogen used for imaging in MRI?
Most abundant element , Strong magnetic properties
In MRI, this is the release of energy by excited nuclei as a result of interaction among themselves
Spin-Spin Relaxation (T2)
In MRI, this is the release of energy by excited nuclei to their general enviorment
Spin-Lattice Relaxation (T1)
The most common radionuclide used in nuclear medicine is
Technetium-99 (99m TC)
__________ are used in nuclear medicine to keep scattered rays form entering the camera
Collimators
with the intergration of strong magnets and ready frequencies, high resolution soft tissue imaging in multiple planes became available with that modality
MRI
What modality uses gamma emitting radionuclide to produce images?
NM
Molecular imaging advancements using a positron emitting radiopharmaceutical resulted in what modality?
PET
What specialized imaging technique provides cross sectional images at a low cost is readily available ad has the ability to differentiate cystic solids and complex tissues
US
What is the modality of choice to image the central nervous system?
MRI
Ionizing radiation that is emitted from the patient to produce images is the basis of what modality?
NM
In NM, the patient is injected or ingests the ionizing radiation through a
Radiopharmaceutical
What device is used in NM to detect the ionizing radiation being emitted from the patient to produce an image?
Gamma Cameras
