Legg-Calve-Perthes Vs. Slipped Capital Femoral Epiphysis

Question 1

What is Legg-Calve Perthes?

Answer 1

Deformity and flattening of the femoral head secondary to loss of blood supply.

Leads to:

• Femoral Head Necrosis
• Fragmentation and Reossification

Question 2

Age Range for LCP?

Answer 2

2-13 y/o

Question 3

Body characteristics/gender associated with LCP?

Answer 3

Short Stature Boys

Question 4

What is Slipped Capital Femoral Epiphysis?

Answer 4

Displacement of the femoral head secondary to slippage from the growth plate.

• May be secondary to trauma

Question 5

Age Range for SCFE?

Answer 5

10-17 y/o

Question 6

Body characteristics/gender associated with SCFE?

Answer 6

Overweight Boys

(SCFE looks like a melting ice cream cone, if we eat too much ice cream we will get overweight)

Question 7

Pain for both LCP and SCFE increase with what?

Answer 7

Pain increases/worsens with activity

Question 8

Limping characteristics in LCP?

Answer 8

Just regular limping

Question 9

Limping characteristics in SCFE?

Answer 9

Limping with ER

Question 10

Motion limitations/stiffness specific to LCP?

Answer 10

Stiffness (Especially Extension)

• Effects contralateral step length

Question 11

Motion limitations/stiffness specific to SCFE?

Answer 11

Stiffness: Flexion, Abduction, IR

Question 12

Management with LCP?

Answer 12

• Conservative management
• Orthotics

(Does not need surgery, generally self limiting)

Question 13

Management with SCFE?

Answer 13

Surgical treatment required for stabilization

Question 14

What MRI finding may be indicative of LCP?

Answer 14

Positive crescent sign