0:00

This person had elbow pain

0:02

after a fall on an outstretched hand

0:04

on the lateral projection,

0:06

we can identify displaced anterior fat pad.

0:09

We can also see that there is a

0:11

fat fluid level representing a component of lipo arthrosis,

0:16

and there is a deformity of the radial head

0:18

and neck junction with fracture lucency and slight offset.

0:23

And this is also confirmed on the lateral projection.

0:26

So this is a proximal radius fracture.

0:28

So radial head fractures are typically classified using the

0:31

mason classification.

0:34

So in type one you have less than two millimeters

0:36

of displacement and can be considered a non-displaced

0:39

or non angulated fracture.

0:41

In the type two, you have a greater than a third of the

0:44

articular surface, three millimeter displacement,

0:48

and up to 20 or 30 degrees of angulation.

0:51

And at type three you have combintion

0:53

of the articular surface or a displaced neck fracture.

0:57

And then a type four is any fracture

0:59

with an elbow dislocation.

1:02

And the last point here is

1:03

that wrist radiography should be performed in all cases

1:06

of communative proximal radius fractures

1:08

because there's a high association of carpus fractures.

1:12

Here we have an example of a mason type one,

1:15

which is essentially a non-displaced

1:17

or minimally displaced head fracture.

1:21

Here we have an example of a mason type two

1:23

with some articular surface involvement

1:26

identified on the oblique projection

1:28

and slight articular surface depression.

1:31

Here we have a mason type three,

1:32

where now we have a displaced radial head,

1:35

and in this case of a type four where there's combintion

1:39

of the fracture as well as displacement.

Radial Head Fracture Summary

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