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: Unknown
A six year old child presented with a valgus deformity at his right elbow since 3 years that is gradually progressive.  He has history of cast applied for 6 weeks after fall on outstretched hand 3 years back.  The probable fracture was- 
Select and explain. 
A. Malunited lateral Condylar fracture of Humerus, B. Malunited Supracondylar Fracture of Humerus, C. Posterior dislocation of elbow, D. Fracture medial condyle of humerus
A: Malunited lateral Condylar fracture of Humerus
Answer: A: Malunited lateral Condylar fracture of Humerus 
Explanation: (Refer: Mohindra’s Fundamentals of Orthopedics, 2nd edition, pg no. 16)
Fractures commonly showing cubitus valgus deformity due to malunion

Fracture lateral condyle humerus
Monteggia Fracture dislocation