Radial Head # Flashcards

1
Q

Pathophys of radial head #

A
  • Radial head articulates with capitulum of humerus and proximal ulna
  • Allows for flexion and extension, supination and pronation
  • Axial loading of forearm can cause radial head to be pushed against capitulum - extension and pronated usually
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Clinical features of radial head #

A
  • FOOSH
  • Elbow pain
  • Swelling or bruising at elbow
  • Tenderness over lateral aspect elbow and radial head
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a radial head injury that will always need surgery?

A
  • Essex Lopresti fracture
  • Fracture of radial head with disruption to the distal radioulnar joint
  • = always need surgery
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sign on imaging of radial head #

A
  • Sail sign
  • = elbow effusion so elevation of the anterior fat pad is seen
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

X-rays for radial head #

A
  • AP and lateral
  • Joint above and below
  • CT imaging if complex
  • MRI if suspect ligament injury
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Classification system of radial head #

A
  • Mason classfication
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Mason classification

A
  • Type 1 - non-displaced or minimally displaced # (<2mm)
  • Type 2 - partial articular # with displacement >2mm or angulation
  • Type 3 - comminuted # and displacement - complete articular #
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Management of radial head # - general

A
  • A-E assessment
  • Check NV status
  • Adequate analgesia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Management radia head # mason type 1

A
  • Non-op
  • Short period immbolisation with sling (<1 week)
  • Followed by early mobilisation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Management Mason type 2 #

A
  • If no mechanical block to elbow motion then same as type 1
  • If mechanical block, may need surgery - typically ORIF
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Management Mason type 3

A
  • Always surgery
  • Either ORIF or radial head excision and replacement - esp if highly comminuted
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly