Pseudoarthrosis is the formation of a false joint caused by the
failure of the bones to fuse. This most commonly occurs when the bones do not
heal properly after a fracture.
Pseudoarthrosis usually causes pain, because the two bones are
moving against each other, instead of being fused together. This movement may
cause problems with metal screws or other hardware used to fuse the bones
together. Additional surgery may be required to align the bones and fuse them
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