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': 'Gamma Gandy bodies contain hemosiderin and \nSelect and explain. \nA. K+, B. Ca2+, C. Mg2+, D. Li+', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Gamna-Gandy bodies\nSeen in CVC of spleen is characterised by calcific deposits admixed with haemosiderin on fibrous tissue.', 'role': 'assistant'}]