1925. Causes of secondary polycythemia may include
High-Yield Explanation
Secondary polycythaemia occur due to high altitude,cardiovascular disease ,pulmonary disease with alveolar hypoventilation,heavy smoking,inappropriate erythropoietin(renal cell carcinoma ,hydronephrosis,hepatocellular carcinoma ,cerebellar hemangioblastoma ,massive uterine leiomyoma.). Reference :Harsh mohan textbook of pathology sixth edition pg no 359.