First platelet transfusion refractoriness in a patient with acute myelocytic leukemia: A case report

Figure 1 Bone marrow biopsy after admission suggested acute myelocytic leukemia. The relatively active proliferation of bone marrow nucleated cells and the increased ratio of granuloid/erythroid cells. The granuloids are dominated by the cells that are biased towards the naive stage. Immunohistochemistry shows the following: CD34 small blood vessels (+), a large quantity of prokaryotic cells (+), a large quantity of CD117 (+), a large quantity of MPO (+), a large quantity of CD99 (+), TdT (-), a small quantity of CD3 (+), CD79a (-), and lysozyme sporadic (+).