Image of an Acute Undifferentiated Leukemia (AUL) with blasts showing no clear direction of maturation both morphologically and immunophenotypically. Using the flow cytometer, only the myeloid marker CD117 is detected, this alone is not sufficient for the label "AML. In addition, this case also shows that an increased leukocyte count need not be found in acute leukemia; it was only 8.5*10^9/L. However, there was anemia (hemoglobin ) and thrombopenia ().