This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Orthopaedics
[{'content': 'Triangular relation of elbow is maintained in: \nSelect and explain. \nA. Fracture ulna, B. Anterior dislocation of elbow, C. Posterior dislocation of elbow, D. Supracondylar fracture of humerus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Triangular relation of elbow includes medial epicondyle, lateral epicondyle and tip of olecranon. The relationship is destroyed by dislocations of elbow. It is maintained in supracondylar fracture of Humerus (occurs above elbow joint)', 'role': 'assistant'}]