Oct 7, 2021

The general pretreatment requirements for adult qualifying for therapy with I-131 metaiodobenzylguanidine (MIBG) include the following EXCEPT:

Samarium-153 (Quadramet) is a therapeutic radiopharmaceutical used to treat:

Which of the following property of radiation is principally used in the treatment of tumors?

All of the following cellular mechanisms are responsible for malignant cells increased F-18 fluorodeoxyglucose accumulation EXCEPT:

The outer layer of the cerebral hemispheres is called the cerebral cortex and is composed of:

The term “partial volume effect” is caused by the limited resolution of PET scanners and refers to phenomenon that make intensity values in images differ from what they ideally should be. The “hot” spot smaller than twice the resolution of the scanner will have total counts preserved and will appear:

With the administration of oral contrast media for integrated Positron Emission Tomography/Computed Tomography (PET/CT) studies, CT-derived attenuation values are:

The arterial Circle of Willis, also called Willis’ Circle, is a circle of arteries that supply blood to:

Patient received 200 mCi of I-123 for thyroid uptake and scan. If the data shown below were obtained 6 hours post administration of I-123, what is the percentage thyroid uptake at 6 hours? 200 mCi I-123 capsules cts 135,890 cpm, Background cts 109 cpm, Thyroid cts 45,534 cpm, Thigh cts 2,109 cpm.

Brain stimulations, such as motor stimulations, result in hypermetabolism in the area of the brain that is impacted by that stimulation and on PET FDG images this area will light up. If the patient exercises his or her left arm 30 min before the procedure which area of the brain will show increased radiotracer uptake during the PET FDG scan?