Blood Disorders · Histology

Which of the following findings is most characteristic of Chronic Myeloid Leukemia (CML)?

  1. The presence of the Philadelphia chromosome
  2. Total absence of granulocytes
  3. Macrocytic anemia with low reticulocyte count
  4. Excessive production of plasma cells
Show answer and explanation

Correct answer: The presence of the Philadelphia chromosome

CML is associated with the Philadelphia chromosome, a translocation between chromosomes 9 and 22. This creates the BCR-ABL fusion gene, which drives the overproduction of mature and immature granulocytes.

Difficulty: Medium Question 13 of 20

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