140 likes | 1.17k Views
Diagnosis. HistoryExaminationInvestigationsSpecial Investigations. Aetiology. CongenitalAcquired. Congenital. HemihypertrophyBeckwith-Wiedemann Syndrome (Wilms)VascularKlippel-Trenaunay SyndromeNeurofibromatosisPlexiform Neuofibroma. Acquired. Usually as a result of damage to the growth p
E N D
1. Limb Length DiscrepancyDiagnosis and Treatment Peter Calder
Royal National Orthopaedic Hospital
The London Intensive Paediatric Course
2. Diagnosis History
Examination
Investigations
Special Investigations
3. Aetiology Congenital
Acquired
4. Congenital Hemihypertrophy
Beckwith-Wiedemann Syndrome (Wilms)
Vascular
Klippel-Trenaunay Syndrome
Neurofibromatosis
Plexiform Neuofibroma
5. Acquired Usually as a result of damage to the growth plate
Infection
Trauma
DDH/Perthes
CP
6. Treatment 1cm
Do Nothing
1-2cm
Shoe raise/consider epiphysiodesis
2-5cm
Epiphysiodesis/Lengthening/Shortening
>5cm
Lengthening
>20cms
Prosthesis/Amputation
7. When do I perform an epiphysiodesis? Anderson Green Charts
Am J Dis Child 1948;75:279-290
JBJS 1963;45(A):1
Moseley Straight Line Graph
Clin Orthop 1978;136:33-40
Menelaus
JBJS 1966;48(B):336-339
8. When do I perform an epiphysiodesis? Menelaus “Rule of thumb”
Girls Stop growing at 14 (“ yrs post menarche)
Boys stop growing at 16
Distal femoral physis grows 10 mm/yr
Proximal tibial physis grows 6 mm/yr
9. When do I perform an epiphysiodesis? Paley
Me=LM/(LM-e/K)
Me = Age at Rx
L = Long leg length
e = Desired Correction
K = Constant
(femur 0.71, tibia 0.57, both 0.67)
10. Chronological versus Skeletal
Greulich and Pyle
Sauvegrain
Tanner- Whitehouse
11. Lengthening Distraction Osteogenesis
Stability
Monolateral
Circular
Osteotomy
Latent Period
Rate/Rhythm
12. Summary Aetiology
Diagnosis
LLD prediction
Treatment