Limb Length Discrepancy
Angular Deformities
Limb Deficiency
Foot Problems
Potpourri
100
Limb lengthening should be performed this rate.
What is 1 mm/day?
100
If the patella are not directed anteriorly, this can look like tibia vara on weight-bearing lower extremity X-rays.
What is internal tibial torsion?
100
This occurs in 70% of patients with proximal femoral focal deficiency.
What is fibular deficiency?
100
This is the most common cause of late failure after correction with the Ponseti method.
What is poor compliance with bracing?
100
This is the most common of rickets in North America.
What is hypophosphatemic rickets?
200
In paralytic conditions, it is best to do this in order to allow for foot clearance.
What is undercorrect the LLD?
200
Unilateral genu valgum following a proximal tibial metaphyseal fracture is referred to as this.
What is Cozen phenomenon?
200
Avoid this if severe upper extremity deficiencies may require use of the feet for ADL's.
What is early amputation?
200
This procedure is required in 1/3 to 1/2 of clubfeet treated with the Ponseti method.
What is anterior tibial tendon transfer?
200
Marfan syndrome is caused by a mutation in this gene.
What is the fibrillin-1 gene?
300
If proximal tibial epiphysiodesis is performed, this should also be performed if more than 2-3 years of growth remains.
What is proximal fibular epiphysiodesis?
300
Recurrence of Blount Disease is less when osteotomy is performed before this age.
What is 4 years old?
300
This amputation prevents heel pad migration and aids prosthesis suspension.
What is the Boyd amputation?
300
This is the most common tarsal coalition.
What is calcaneonavicular?
300
This is commonly seen in Marfan syndrome and may complicate scoliosis surgery.
What is dural ectasia?
400
In limb length discrepancy, this tends to be seen on the long side while this tends to occur to the short side.
What is hip osteoarthritis and structural scoliosis?
400
If the metaphyseal-diaphyseal angle is more than this, there is a 95% chance of progression.
What is 16 degrees?
400
This procedure requires that the foot of the affected limb is around the level of the contralateral limb and the ankle is stable with >60 deg of motion.
What is the van Ness rotationplasty?
400
This is the diagnostic radiographic view for congenital vertical talus.
What is a forced platarflexion lateral view?
400
This femoral deformity is seen in Gaucher disease and osteopetrosis.
What is erlenmeyer flask deformity?
500
These are the annual contributions of the proximal femoral physis, the distal femoral physis, the proximal tibial physis, and the distal tibial physis near skeletal maturity, respectively.
What are 4mm, 10mm, 6mm, and 5mm?
500
This type of tibial bowing is typical of congenital pseudoarthrosis and is often associated with neurofibromatosis.
What is anterolateral?
500
These are the anomalies associated with fibular deficiency (need to name 4 of 8).
What are femoral and tibial shortening, genu valgum from hypoplasia of the lateral femoral condyle, cruciate ligament deficiency, anteromedial bow of the tibia, ball-and-socket ankle, equinovalgus foot deformity, tarsal coalition, and absent lateral rays?
500
Severe forefoot adductus combined with hindfoot valgus is known as this.
What is skewfoot?
500
Gaucher disease is associated with a defect in the gene that encodes for this.
What is beta glucocerebrosidase?
M
e
n
u