This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
Tardy ulnar nerve palsy seen in -a) Medial condyle # humerusb) Lateral condyle # humerusc) Supracondylar condyle # humerusd) Fracture shaft humerus 
Select and explain. 
A. a, B. c, C. bc, D. ad
C: bc
Answer: C: bc 
Explanation: For single answer option `b' is best as lateral condyle fracture is associated more commonly with tardy ulnar nerve palsy than any other cause.