This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intracellular Accumulations, Subject name: Pathology
[{'content': 'Brown atrophy is due to accumulation of: \nSelect and explain. \nA. Melanin, B. Hemosiderin, C. Hematin, D. Lipofuscin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ANSWER: (D) LipofuscinREF: Pathology by Edward E Goljan page 7The combination of an atrophic heart and lipofuscin accumulation is referred to as brown atrophy. Lipofuscin is a "wear and tear" pigment that commonly deposits within hepatocytes, splenocytes, and myocardial cells', 'role': 'assistant'}]