Week 3 - CT

Question 1

CT

Answer 1

method of imaging where xray slices are taken and converted into cross-sectional images
- technique is used in diagnostic studies of internal bodily structures to assist in detection of pathology
-3D representation of 3D object

Question 2

CT Indications

Answer 2

If more visualisation of anatomy is required for diagnosis
- articular disorders
- tarsal coalition
- calcaneal fractures
- congenital disorders
- foreign body localisation
- occult fractures

Question 3

CT contradictions

Answer 3

Pregnancy
Contrast allergy
Claustrophobia

Question 4

CT Advantages

Answer 4

Accessible
fast scan times
good resolution
excellent bone detail
multiplanar and 3D images
CT angiogram

Question 5

CT Disadvantages

Answer 5

Dose
Artifacts can degrade images
Weight limitations
Poor tissue contrast
High cost of equipment
Not portable
Adverse reaction to contact