This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': "Chalazion of lid is aEUR' \nSelect and explain. \nA. Caseous necrosis, B. Chronic nonspecific inflammation, C. Chronic lipogranulomatous inflammation, D. Liposarcoma", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Chronic lipogranulomatous inflammation Chalazion: Also known as tarsal or meilmmian cyst It is not a cyst. It results from obstruction of a sebaceous gland either meibomian or Zeis. Extravasated lipid material produces a surrounding chronic lipogranulomatous inflammation (Yanoff & Duker Ophthalmology) Acute lesions are treated with hot compresses while chronic chalazia are treated using intralesional coicosteroid (e.g. Triamcinolone acetonide) or by surgical drainage (incision & curettage)', 'role': 'assistant'}]