This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of the Respiratory Tract, Subject name: Pediatrics
[{'content': 'A 2-year-old child with H/O fever and cough and sudden onset respiratory distress presents to you in the emergency department. X-ray was done, displayed below, the most probable diagnosis is-- \nSelect and explain. \nA. Abscess, B. Pneumatoceles, C. Consolidation, D. Pneumothorax', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Pneumatoceles o Pneumatoceles are frequent with staphylococcal infections, and they should not be confused with a pulmonary abscess. Pneumatoceles have thin, smooth walls and are seen with an improving clinical picture, whereas pulmonary abscesses have thick, irregular walls with an air-fluid level and the child tends to be very ill Pneumatoceles are thought to be a form of localized pulmonary' interstitial emphysema and are self-limiting with only the rare case of a large; persisting pneumatocele needing surgery.", 'role': 'assistant'}]