The Ankle

Question 1

True or False: The ankle is most frequently injured joint in the body.

Answer 1

TRUE

Question 2

What 3 pathologies are visualized by radiographs?

Answer 2

1. Fractures
2. Dislocations
3. Arthritis

Question 3

What pathologies are visualized by CT scans?

Answer 3

Complex fractures especially in the hindfoot

Question 4

What 5 pathologies are visualized by MRI at the ankle?

Answer 4

1. Tendon abnormalities
2. Osteochondral injury
3. Joint instability
4. Impingement syndromes
5. Occult Lisfranc injuries

Question 5

MRI can be used to diagnose ______.

Answer 5

Osteomyelitis

Question 6

What 3 pathologies are visualized by MSUS?

Answer 6

1. Tendon abnormalities
2. Morton’s neuroma
3. Penetrating trauma with a foreign body

Question 7

What 3 pathologies warrant using the ACR appropriateness criteria?

Answer 7

1. Acute trauma to the foot
2. Chronic ankle pain
3. Suspected osteomyelitis in the patient with DM

Question 8

What 3 pathologies warrant using the Diagnostic Imaging Pathways appropriateness criteria?

Answer 8

1. Acute ankle sprains
2. Diabetic foot ulcers
3. Suspected Peripheral Vascular Disease

Question 9

What 3 views/projections make up the routine radiologic examination of the ankle?

Answer 9

1. Anterior posterior (AP)

2. AP Oblique “mortise view”
3. Lateral

Question 10

What 3 views/projections make up the routine radiologic examination of the foot?

Answer 10

1. Anteroposterior
2. Oblique
3. Lateral