Classification and management of tibial nonunion
definition: no evidence of healing over 3 months;
- FDA definition: frx that is over 9 months old and that has not shown radiographic signs of progression toward healing for 3 consecutive months;
- final stage of a nonunited fracture is formation of pseudoarthrosis;

eMedicine 2004 Patel
Synonyms and related keywords: tibial delayed union, aseptic nonunion, infected nonunion, tibial fractures, fractures of the tibia, nonunions of the tibia, broken leg, leg fracture, delayed healing, hypertrophic nonunions, atrophic nonunions, normotrophic nonunions, long bone fractures