This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnostic and operative ENT, Subject name: ENT
[{'content': 'Columella effect is seen in \nSelect and explain. \nA. Tympanoplasty, B. Septoplasty, C. Tracheostomy, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Columella effect is seen in type 3 tympanoplasty (myringostapediopexy) where single ossicle remains just like that of bird&;s ear. In Type III tympanoplasty Malleus and incus are absent. Graft is placed directly on the stapes head. It is also called myringostapediopexy or columella tympanoplasty. Re: Textbook of Ear, Nose and Throat, Dhingra, 6th Edition, page 30.', 'role': 'assistant'}]