RDTM 280 Review

A Generational Thing

100

Introduced slip ring technology to CT scanners.

What are fourth generation CT scanners?

200

320 slices / rows

What is the highest number or detector rows in a CT scanner?

300

Developed exclusively for cardiac imaging.

What is electron beam computed tomography?

400

Cone beam 

What beam geometry do multi-slice helical CT scanners use?

500

Has two sets of x-ray tubes and detectors

What are Dual Source CT scanners?

A Material World

100

Carbon fiber

What is a CT table / couch made of?

200

Technetium^99m

What is the most commonly used radioisotope in Nuclear Medicine?

300

Graphite Backing

What anode material can absorb up to 10 X more heat?

400

Xenon gas

What is used in gas ionization chamber detectors?

500

Bismuth

What material is used for CT shielding?

Cheaper By the Slice

100

Table movement during one 360 degree rotation

What is pitch?

200

Sets the desired slice thickness or beam width

What is the pre-patient collimator?

300

Allows detectors to be combined together or divided into smaller sections

What are detector channels?

400

I describe the size of the collimation in a multi-slice helical scan.

What is beam width?

500

We make it easier to see smaller details.

What are thinner slices?

Imagine if Dragons were Radioactive

100

You can measure how much I've changed since we met.

What is a becquerel?

200

You might know me from such hits as "Half-life", "Radioactive", and "Here for a Good Time, Not a Long Time"

What is radioactive decay?

300

All the "stars" are being photographed by this paparazzi legend.

What is an Anger camera?

400

I've got a sweet tooth for ¹⁸F-FDG and I'm not ashamed to admit.

What is cancer?

500

All my friends like to hang out in the cool hot spots.

What are radiopharmaceuticals or radioisotopes?

You Can Change My Parameters Anytime

100

I can go as low as 80 or as high as 140

What is the kVp range for CT scanners?

200

You can find me if a table increment of 10 mm is hanging out above a 5 mm beam.

What is a pitch of 2?

300

I mean , if we're comparing, I'm 25 cm at my best.

What is the scan field-of-view for a head scan?

400

My measurements are 0.6 mm x 0.6 mm x 0.6 mm.

What is the smallest isotropic voxel?

500

If you're going to turn me on, you could at least tilt me first.

What is axial or sequential scanning?