Classifications

Description

Severin

1

Normal

2

Moderate deformity of femoral head or neck or acetabulum

3

Dysplastic no subluxed

4

Subluxed

5

Head articulating with secondary acetabulum in upper of the original acetabulum

6

Dislocated

7

Arthritic

Kalamchi

1

Changes affecting the ossific nucleus

2

Lateral physeal damage

3

Central physeal damage

4

Total damage to the head and physis