Cubitus valgus

cubitus valgus

1. Cubitus valgus Andrea

2. When carrying angle is increased so that the forearm abducted excessively in relation to the upper end the deformity is known as cubitus valgus Rare Seen as a complication of fracture of lateral condyle of humerus

3. Causes Previous fracture of lower end of humerus or capitulum with malunion Interference with epiphyseal growth on lateral side from injury or infection Turners syndrome

4. Clinical features Visible defect-cosmetic Secondary-tardy nerve palsy

5. Tardy nerve palsy Also called traumatic ulnar neuritis Because of friction neuritis ulnar nerve moves over the medial epicondyle every time the elbow is flexed and extended C/f-tingling and numbness in the distribution of ulnar nerve In complete lesion there may be paralysis of intrinsic muscles supplied by ulnar nerve

6. Treatment Mild deformity-no treatment Moderate to severe-medial closed wedge osteotomy Tardy nerve palsy-Anterior transposition of ulnar nerve