Congenital tibial dysplasia (congenital pseudoarthrosis of the tibia): an atypical variation.

摘要

The results of the treatment of congenital tibial dysplasia (CTD) or pseudoarthrosis of the tibia, which is one of the most difficult conditions encountered by pediatric orthopedists, are rarely uniformly satisfactory. A considerable percentage of cases will fail to achieve union. Even in those patients who obtain union, most will still need protective bracing and sometimes walking aids, which has a negative impact on their function and quality of life. The affected child along with his or her family will suffer the burden of multiple surgeries, repeated hospitalizations, long periods of external fixators and casts together with social deprivation and financial losses. With longer follow-up, functional results degenerate with some patients who initially had good results subsequently requiring amputation for persistent nonunion after refracture through the site of the lesion. In addition, other problems, including limb length discrepancy, arthritic painful ankle joint, valgus ankle and procurvatum of the tibia, become more evident with extended follow-up and affect functional results.