SUFE (Slipped Upper femoral epiphysis.

Question 1

What type of salter Harris classification would SUFE be under ?

Answer 1

Type 1

Question 2

What gender is SUFE more common in and in what age range ?

Answer 2

Males
10-17 years old.
Presents earlier in females.

Question 3

What is a common risk factor in SUFE ?

Answer 3

Obesity.

Question 4

What lines of assessment is used to diagnose SUFE on an AP radiograph ?

Answer 4

LINE OF KLEIN.
This line is drawn along the lateral aspect of the femoral neck. If the line does not intersect with the femoral epiphysis then consider SUFE.

Question 5

What are the 4 typical XRAY appearances of SUFE ?

Answer 5

1. Loss of triangle sign of capener.
2. Blurring of physis.
3. Decreased height of epiphysis.
4. Loss of the line of Klein.

Question 6

What is the triangle of capener ?

Answer 6

Normal double density of medial metaphysis superimposed on posterior acetabular rim which creates a dense triangular shadow.

Question 7

In SUFE which direction does the epiphysis usually slip ?

Answer 7

Posterior medially