Essential thrombocythemia masked by vitamin B 12 deficiency megaloblastic anemia: A case report

The association of megaloblastic vitamin B12 deficiency anemia and essential thrombocythemia is very rarely described in the literature. We reported a case 65-year-old patient with an isolated chronic anemic syndrome secondary to treated therapy by injection. evolution was marked three months after treatment ischemic cerebrovascular accident thrombocytosis. Additional investigations confirmed thrombocythemia. put under hydroxyuria anticoagulant good evolution.