This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'A 10-year-old child presents with a preauricular sinus. There is no discharge or inflammation. Similar sinus was also observed in his mother who got treated at the age of 30 years. What will be your line of management? \nSelect and explain. \nA. Education and observation of the patient, B. Order a sinogram after injection of a radiopaque dye, C. Order a CT in axial plane, D. Order an MRI to exclude a cyst', 'role': 'user'}, {'content': 'Answer: A \nExplanation: No treatment other than observation is advised. Further the patient should be educated that such sinus may get infected or form a cyst. Surgery is advised if sinus is symptomatic.', 'role': 'assistant'}]