Musculoskeletal (CTBC-19)

Question 1

CT MSK: Encompasses

Answer 1

Extremities/Boney Pelvis
Shoulder/Elbow/Wrist
Hips/Knees/Ankles
Joints/Arthrography

Question 2

CT MSK: Indications

Answer 2

Fracture
Deformity
Other Osseous concerns

Question 3

CT MSK: Soft-Tissue Indications

Answer 3

MRI is preferred

Question 4

CT MSK: Scan Type

Answer 4

Helical

Question 5

CT MSK: Slice Parameters

Answer 5

2mm w matching interval

Question 6

CT MSK: Gantry Tilt

Answer 6

None

Question 7

CT MSK: (IV) Contrast

Answer 7

Only indicated for soft-tissue e.g., mass, tumor, infection, etc.

Question 8

CT MSK: Intra-articular contrast

Answer 8

“Arthrogram”
Indicated for joint eval, but MRI is usually modality of choice

Question 9

CT MSK: Algorithm

Answer 9

Bone 2500/600
Standard 400/40

Question 10

CT MSK: MPRs

Answer 10

Almost always required
Should align with bone/joint of interest

Question 11

CT MSK: 3D imaging

Answer 11

Quite common
Should be created from standard algorithm to decrease noise

Question 12

CT MSK: Positioning

Answer 12

Keep extremity away from body to minimize noise