To evaluate the results of displaced radial neck fractures in children trated surgically with flexible titanium intramedullary nails. Method: This is a retrospective study of five cases of radial neck fractures with displacement greater than 30 degrees fixed with flexible intramedullary nails. Patients were evaluated regarding functional outcome through range of motion and the Mayo Elbow Performance Score (MEPS), as well as radiographic exams. Results: Five patients, with a mean age of 8.4 years were assessed, during a mean post-operative follow up of 12.2 months. Open reduction was necessary in three cases with major displacement. At the end of the follow up, 80% of the patients had excellent results, 20% good results, and all fractures healed. As complications we observed: heterotopic ossification, superficial infection and radial head necrosis. Conclusions: In spite of the small sample, our results with flexible titanium intramedullary nails were similar to the current literature, with good functional outcomes.2428184