<prompt> Tardy ulnar nerve palsy caused by -a Supracondylar b Lateral condylar c Olecranon d Intercondylar e Distal radio-ulnar dislocationacaabbc  <response>: Causes of tardy ulnar nerve palsy are : Malunited lateral condyle humerus fracture cubitus valgus Displaced medial epicondyle humerus fractureCubitus varus deformity due to supracondylar fracture humerusElbow dislocationContusions of ulnar nerveShallow ulnar grooveHypoplasia of humeral trochleaJoint deformity after prolonged arthritis of elbow 