All the following statements regarding cubitus valgus are correct except
|A||An increase in the normal carrying angle of the elbow (10-15°) is called cubitus valgus.|
|B||Commonest cause is nonunion fracture medial condyle.|
|C||Association with tardy ulnar nerve palsy|
|D||Commonest cause is nonunion fracture lateral condyle of humerus.|
Commonest cause is nonunion fracture medial condyle
Commonest cause is nonunion fracture of lateral condyle of humerus. Clinical importance of this deformity in addition to cosmetic problem is the tardy nerve palsy which appears slowly because of the stretching of the nerve, treatment of which might require anterior transposition of the nerve.