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: Medicine
The tumor causing polycythemia due to erythropoietin production is - 
Select and explain. 
A. Cerebellar hemangioma, B. Medulloblastoma, C. Ependymoma, D. Ougodendroglioma
A: Cerebellar hemangioma
Answer: A: Cerebellar hemangioma 
Explanation: <p>The tumors causing inappropriate rise in erythropoietin are renal cell caarcinoma,hepatocellular carcinoma ,cerebellar hemangioblastoma.</p><p>Reference :Harsh mohan textbook of pathology sixth edition pg no 359.</p>