Hematology Acute leukemias

Which of the following is most often associated with acute leukemia?

• Erythrocytosis and Thrombocytosis

• Neutropenia and thrombosis

• Anemia and Thrombocytopenia

• Lymphocytosis and thrombocytopenia

What is the required blast percentage for the diagnosis of acute myeloid leukemia recommended by WHO?

• 10%

• 20%

• 30%

• 40%

Auer rods may be seen in which of the following cells?

• Myeloblasts

• Myelocytes

• Lymphoblasts

• Megakaryoblasts

Myeloperoxidase stain is strongly positive in:

• Acute lymphoblastic leukemia

• Acute monocytic leukemia

• Acute megakaryoblastic leukemia

• Acute myeloblastic leukemia

Which cytochemical reaction is most helpful in identifying the blasts in acute monoblastic leukemia?

• NSE

• TdT

• PAS

• SBB

The monoclonal marker that would be positive in a B cell lymphoblastic leukemia is:

• CD1

• CD7

• CD19

• CD33

An elderly patient with a WBC of >100,000 and 95% small mature lymphocytes on the peripheral smear is most likely associated with:

• PLL

• ALL

• CLL

• CML

The cell on the left would most likely be seen in:

• Infectious lymphocytosis

• Toxoplasmosis

• Bordetella pertussis infection

• Acute monoctyic leukemia

The cells at the arrows are called what and would be seen in which leukemia?

• Smudge Cells

  ALL

• Monocytes

  Acute monocytic leukemia

• Smudge Cells

  CLL

• Pyknotic nuclei

  none

CD2, CD3, and CD4 are present on the cells found in a patient with an undiagnosed leukemia. The most likely leukemia present is:

• Pre-B cell ALL

• Pro-B-cell ALL

• T-cell ALL

• ALL- Burkitt's type