1925. Causes of secondary polycythemia may include
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.
Chronic cor pulmonale
Renal carcinoma
Cerebellar haemangioblastoma
All of the above
Haematology