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
A patient sustained injury to the upper limb 3 yrs back; he now presents with valgus deformity in the elbow and paresthesias over the medial border of the hand. The injury is likely to have been - 
Select and explain. 
A. Supracondylar # humerus, B. Lateral condyle # humerus, C. Medial condyle # humerus, D. Posterior dislocation of the humerus
B: Lateral condyle # humerus
Answer: B: Lateral condyle # humerus 
Explanation: There is no confusion for this one as patient has developed tardy ulnar nerve palsy with valgus deformity.
Cubitus vulgus occurs with fracture lateral condyle.