Cubitus valgus is a valgus deformity of the elbow, the result being an increased carrying angle at the elbows - the lower arms stick out more.
It is most commonly the result of a non-union of a fractured lateral condyle, which may result in gross deformity and a bony knob on the inner side of the joint. However, it may also occur in Turner's and Noonan's syndrome.
The principle complication of a valgus deformity is the development of an ulnar palsy. This may occur years after the original injury.
If an ulnar nerve palsy develops then this can be treated by transposition of the ulnar nerve to the front of the elbow. If there is deterioration and the arm looks unsightly, a correction osteotomy may be undertaken.