Classification of Tibial Pseudarthrosis

Classification of Tibial Pseudarthrosis
Type	Description
1	Anterior bowing & defect in tibia associated with other congenital anomalies
2	Anterior bowing & hour glass contriction leading to spontaneous fracture usually by 2 years & often recurrent (most common)
3	Pseudarthrosis develops through congenital cyst
4	Pseudarthrosis develops in sclerotic segment without narrowing (stress fracture)
5	Occurs in association with dysplastic fibula & results in pseudarthrosis of one or both bones
6	Pseudarthrosis occurs in association with intra-osseous neurofibroma or schwanoma