18/06/2023
With regards to lateral condyle fractures, they state that the most common sequela in the setting of nonunion with displacement is the development of progressive cubitus valgus deformity.
Valgus deformity can place an individual at risk for the developement of tardy unlar nerve palsy. This is a well-known late complication, occuring on average 22 years after initial injury in one series.