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The sinus system within the brain is responsible for:

The scintigraphic finding of multiple asymmetric perfusion defects involving both the cortex and deep structures, is seen in what condition?

If a technologist performs an HMPAO injection on a patient in a well-lit room, what will be the most likely result on the image?

Motor mapping of the brain is beneficial with treating/diagnosing what disorder?

The most common finding(s) of an abnormal 24-hour cisternogram besides a focus of decreased or increased radioactivity is (are)

The usual head position for adults in routine cerebral radionuclide angiograhy is the

On a normal anterior static brain image, the midline band of activity extending from the apex to the high activity region of the base of the skull represents

In a normal Tc99m ECD study, greatest uptake of activity is seen in

The localization of 99mTc HMPAO is related to:

MRI is superior to PET in the evaluation of primary or metastatic brain tumors.