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: Pathology
[{'content': "Splenic macrophages in Gaucher's disease differ from those in ceroid histiocytosis by staining \nSelect and explain. \nA. Lipids, B. Phospholipids, C. Acid Fast Stain, D. Iron", 'role': 'user'}, {'content': "Answer: A \nExplanation: In Gaucher's disease there is an accumulation of Gaucher cells that Contain glucocerebroside which is a lipid (glycolipid)\nIn ceroid histocytosis, there is an accumulation of lipofuscin (ceroid), a yellow-brown cytoplasmic pigment, in the histiocytes.", 'role': 'assistant'}]