This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Imaging of Extremity Trauma, Subject name: Radiology
[{'content': 'Skyline view X-ray is useful in diagnosing - \nSelect and explain. \nA. Patellofemoral problem, B. Radioulnars problem, C. Tibiofibular problem, D. Skull fracture', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Patellofemoral problem o A 'Skyline' or 'Sunrise' or 'sunset' or 'axial' or 'tangential' or 'mountain view' gives most information about patellofemoral joint.o It is rarely indicated in the context of trauma. This view is only necessary if the standard views are normal and a patellar fracture is still suspected, or to assess patellar dislocation,o A skyline view can only be acquired if the patient can tolerate knee flexion.", 'role': 'assistant'}]