This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous ENT, Subject name: ENT
[{'content': 'The Transorbital view is carried out for \nSelect and explain. \nA. Petrous apex, B. Mastoid process, C. Bilateral mastoid pathology, D. Internal auditory meatus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Transorbital view: This view is taken with occiput on the film with an orbitomeatal line at right angles to the film. X-ray beam passes through the orbit. Structures seen are:(a) Internal auditory canal.(b) Cochlea.(c) Labyrinth.(d) Entire petrous pyramid projected through the orbit. Ref: Textbook of ENT, Dhingra; 6th edition Ref img Transorbital X-ray of patient 1 after the paial explantation of the cochlear implant due to the recurrence of FIPT. The intracochlear pa of the electrode is still in situ.', 'role': 'assistant'}]