tokens: There were two cases of hypocellular myelodysplasia , two cases of hypersegmented myelodysplastic granulocytosis , two cases of hypercellular marrow with abnormal megakaryocytes with bizarre nuclei , one case of megakaryocytic myelosis associated with a hyperplastic marrow , dysmyelopoiesis and a hypocellular marrow and two cases of myelodysplasia with dyserythropoiesis , hemosiderosis and a hypocellular marrow .