This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
[{'content': 'Burr cell is seen in "I - \nSelect and explain. \nA. Uremia, B. Hepatocellular carcinoma, C. Gastric carcinoma, D. Ovarian carcinoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Burr cells are cell fragments having one or more spines.They are paicularly found in uraemia. Echinocyte, in human biology and medicine, refers to a form of red blood cell that has an abnormal cell membrane characterized by many small, evenly spaced thorny projections. A more common term for these cells is burr cells Ref: Harsh Mohan textbook of pathology, 7th edition.Pg no.270', 'role': 'assistant'}]