Intracranial extramedullary hematopoiesis in polycythemia vera.
D000368:Aged; D001932:Brain Neoplasms / Q000473:pathology*; D002540:Cerebral Cortex / Q000473:pathology; D002828:Choristoma / Q000473:pathology*; D006410:Hematopoiesis; D006801:Humans; D008297:Male; D011087:Polycythemia Vera / Q000473:pathology*