Leukemia Subtypes Quiz
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Questions and Answers

Which of the following is true about leukemia treatment options?

  • Leukemia treatment options are usually systemic. (correct)
  • Leukemia treatment options are usually limited.
  • Leukemia treatment options are usually localized.
  • Leukemia treatment options are usually unknown.

What is the main characteristic of acute leukemia?

  • A preponderance of mature cells.
  • A gap in the maturation process in bone marrow. (correct)
  • A known cause of malignancy.
  • A localized spread of abnormal cells.

How are leukemias grouped?

  • By treatment options and prognosis.
  • By laboratory evaluation and pathologist role.
  • By etiology and clinical presentations.
  • By cell lineage and maturity of affected cells. (correct)

Which type of therapy uses monoclonal antibodies to bind directly to affected cells and activate cell lysis?

<p>Targeted therapy (C)</p> Signup and view all the answers

What is the most serious transplant complication in stem cell transplantation?

<p>Graft vs. Host Disease (D)</p> Signup and view all the answers

What is the primary cause of death in leukemia?

<p>Overwhelming infections (B)</p> Signup and view all the answers

Which type of leukemia is also known as Acute Nonlymphocytic Leukemia (ANLL)?

<p>AML - Acute Myeloblastic Leukemia (C)</p> Signup and view all the answers

Which of the following is NOT a possible cause of malignancy according to the text?

<p>Bacterial infection (D)</p> Signup and view all the answers

What is the minimum percentage of blasts in bone marrow required for an acute diagnosis in the FAB system?

<p>30% (A)</p> Signup and view all the answers

Which stage of therapeutic strategy involves low dose chemotherapy to prevent recurrence?

<p>Consolidation (A)</p> Signup and view all the answers

Which classification system was developed in 1976 to provide uniform criteria for classifying acute leukemias before treatment changed their cellular morphology?

<p>FAB (D)</p> Signup and view all the answers

Which methodology for identifying and classifying leukemias involves the microscopic analysis of whole chromosomes?

<p>Cytogenetic &amp; molecular analyses (B)</p> Signup and view all the answers

Which methodology for identifying and classifying leukemias involves the use of fluorescent antibodies to identify specific cell lineage and/or specific maturation stage markers?

<p>Immunophenotyping (D)</p> Signup and view all the answers

What is the main purpose of supportive therapy in cancer treatment?

<p>To support cancer patients (C)</p> Signup and view all the answers

What is the most rare and desired type of bone marrow or stem cell transplant donor?

<p>Syngeneic (C)</p> Signup and view all the answers

What are the common clinical symptoms of all leukemias?

<p>Petechiae, epistaxis, hemorrhage (A)</p> Signup and view all the answers

What is the difference between leukemoid reaction and leukoerythroblastic reaction?

<p>Leukemoid reaction is characterized by left shift and rare nRBCs, while leukoerythroblastic reaction is characterized by nRBCs and left shift. (C)</p> Signup and view all the answers

What is the historical method used to differentiate leukemoid reaction from leukemia?

<p>Leukocyte Alkaline Phosphatase (LAP) stain score (D)</p> Signup and view all the answers

What is the normal range for Leukocyte Alkaline Phosphatase (LAP) scores?

<p>15-170 (A)</p> Signup and view all the answers

What is the current method used to identify chronic myeloid leukemia (CML)?

<p>Presence of the BCR/ABL1 gene or t(9;22) (C)</p> Signup and view all the answers

Match disorders with related leukemias.

<p>t(8;21)(q22;q22) = AML Inv(16)(p13.1;q22) = AML4E t(15;17)(q22;q12) = APL t(8;16) = AMoL</p> Signup and view all the answers

Match CDs with related leukemias.

<p>CD41+,CD42+, and CD61 +/- = AMegL CD4+,CD11b+,CD36+, and CD64+ = AMML CD4+ and CD64+ = AMoL CD14+, CD4+, CD11b+, and CD36+ = Acute monoblastic/monocytic leukemia</p> Signup and view all the answers

Gold standard for AMoL.

<p>CD4 and CD64 (B)</p> Signup and view all the answers

Which of the following is NOT a reason for performing a bone marrow evaluation?

<p>To assess bone marrow function (C)</p> Signup and view all the answers

Which of the following is NOT a finding used to verify that bone marrow has been obtained during a bone marrow tap?

<p>Presence of mature hematopoietic cells (A)</p> Signup and view all the answers

Which cell line is the most abundant in adult bone marrow?

<p>Neutrophils (C)</p> Signup and view all the answers

Which of the following is the correct order of preference for the preferred locations for a bone marrow tap?

<p>Iliac crest, sternum, tibia (A)</p> Signup and view all the answers

What is the normal range for the M:E ratio in adults?

<p>2:1 - 4:1 (D)</p> Signup and view all the answers

Which cytochemical stain is best used for differentiating between acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL)?

<p>Myeloperoxidase (MPO) (A)</p> Signup and view all the answers

Which cytochemical stain is used to identify T-cell subsets of ALL and lymphomas?

<p>Tartrate Resistant Acid Phosphatase (TRAP) (C)</p> Signup and view all the answers

Which cytochemical stain is used to diagnose Hairy Cell Leukemia (HCL)?

<p>Tartrate Resistant Acid Phosphatase (TRAP) (D)</p> Signup and view all the answers

Which cytochemical stain is used to differentiate early CML from other conditions like leukemoid reaction or PV?

<p>Leukocyte Alkaline Phosphatase (LAP) (A)</p> Signup and view all the answers

Which cytochemical stain stains glycogen and is positive in 80% of ALL cases?

<p>Periodic Acid Schiff (PAS) (B)</p> Signup and view all the answers

Which cytochemical stain is used to evaluate RBC iron stores?

<p>Prussian Blue Iron Stain (B)</p> Signup and view all the answers

Which cytochemical stain is positive in granulocytes and monocytes?

<p>Myeloperoxidase (MPO) (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic peripheral blood finding for Acute Lymphocytic Leukemia (ALL)?

<p>Leukocytosis (B)</p> Signup and view all the answers

Which of the following is NOT a current treatment option for Chronic Lymphocytic Leukemia (CLL)?

<p>Radiation therapy (A)</p> Signup and view all the answers

Which of the following is NOT a clinical feature of Chronic Lymphocytic Leukemia (CLL)?

<p>Thrombocytosis (A)</p> Signup and view all the answers

Which of the following is NOT a chronic leukemia that can be evaluated through peripheral blood and bone marrow findings?

<p>Acute Myeloid Leukemia (AML) (B)</p> Signup and view all the answers

What is the current belief regarding the cause of Acute Leukemia?

<p>Multiple genetic mutations influencing stem cells (A)</p> Signup and view all the answers

What is the main characteristic of Acute Leukemia?

<p>Massive proliferation of blast cells (A)</p> Signup and view all the answers

Which of the following is NOT a current diagnostic criteria for Acute Lymphocytic Leukemia (ALL)?

<p>Genetic mutations (C)</p> Signup and view all the answers

Which of the following is NOT a current diagnostic criteria for Chronic Lymphocytic Leukemia (CLL)?

<p>Genetic mutations (A)</p> Signup and view all the answers

Which of the following is NOT a current treatment option for Acute Leukemia?

<p>Radiation therapy (C)</p> Signup and view all the answers

Which of the following is NOT a current treatment option for Acute Lymphocytic Leukemia (ALL)?

<p>Radiation therapy (A)</p> Signup and view all the answers

Which type of leukemia is characterized by the presence of >55% prolymphocytes in the peripheral blood?

<p>Prolymphocytic Leukemia (PLL) (D)</p> Signup and view all the answers

Which of the following is a characteristic finding in Prolymphocytic Leukemia (PLL)?

<p>Agranular and lightly basophilic cytoplasm (B)</p> Signup and view all the answers

Which of the following is a characteristic finding in Hairy Cell Leukemia (HCL)?

<p>Pale blue cytoplasm with unique, hair-like surface projections (A)</p> Signup and view all the answers

Which of the following is a characteristic finding in Hairy Cell Leukemia (HCL) on bone marrow aspiration?

<p>Unusual isoenzyme of acid phosphatase that is not inhibited by tartaric acid (A)</p> Signup and view all the answers

Which of the following is a clinical symptom commonly seen in Hairy Cell Leukemia (HCL)?

<p>Malaise and fatigue (D)</p> Signup and view all the answers

Which of the following is a lab finding in Hairy Cell Leukemia (HCL)?

<p>Absolute lymphocytosis in peripheral blood (A)</p> Signup and view all the answers

Which of the following is a characteristic finding in Prolymphocytic Leukemia (PLL) on bone marrow aspiration?

<p>Large pros with moderately coarse chromatin (D)</p> Signup and view all the answers

Which of the following is a clinical symptom commonly seen in Prolymphocytic Leukemia (PLL)?

<p>Gross splenomegaly (A)</p> Signup and view all the answers

Which of the following is NOT a lab finding in Prolymphocytic Leukemia (PLL)?

<p>Positive for CD20, CD19, CD22, and FMC7 (D)</p> Signup and view all the answers

Which leukemia subtype accounts for 75% of childhood leukemias?

<p>Acute Lymphoblastic Leukemia (ALL) (D)</p> Signup and view all the answers

Which subtype of ALL is characterized by the presence of CD34, CD19, cytoplasmic CD22 (cCD22), and TdT markers?

<p>Early (pro/pre-pre) B-ALL (D)</p> Signup and view all the answers

Which genetic mutation is most commonly found in T-cell ALL?

<p>NOTCH1 gene mutation (D)</p> Signup and view all the answers

Which genetic mutation is associated with the worst prognosis in B-ALL?

<p>t(9;22) BCR-ABL1 mutation (C)</p> Signup and view all the answers

Which type of ALL is more common in adult and late teen males and frequently presents with mediastinal mass (thymomegaly)?

<p>T-cell ALL (C)</p> Signup and view all the answers

Which leukemia/lymphoma is the most common in the Western Hemisphere?

<p>Chronic Lymphocytic Leukemia (CLL) (B)</p> Signup and view all the answers

Which leukemia/lymphoma is characterized by the presence of CD5, CD19, CD20, CD23, IgM, and IgD+ B-cells?

<p>Chronic Lymphocytic Leukemia (CLL) (A)</p> Signup and view all the answers

Which leukemia/lymphoma is diagnosed based on monoclonal B-lymphocytes greater than 5,000/uL in peripheral blood?

<p>Chronic Lymphocytic Leukemia (CLL) (D)</p> Signup and view all the answers

Which leukemia/lymphoma has an indolent course and is often managed with a 'watchful waiting' approach?

<p>Chronic Lymphocytic Leukemia (CLL) (C)</p> Signup and view all the answers

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