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Author Question: A patient has a very high white blood count with many blasts in the blood and bone marrow. Esterase ... (Read 101 times)

fahad

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on: Jun 25, 2018
A patient has a very high white blood count with many blasts in the blood and bone marrow. Esterase stains using both naphthol AS-D chloroacetate and a-naphthyl acetate esterase as substrates are both positive. What condition is likely?
 
  a. Chronic myelogenous leukemia
  b. Acute lymphoblastic leukemia
  c. Acute myelomonocytic leukemia
  d. Hairy cell leukemia

Question 2

Cytochemical procedures stain what cellular elements?
 
  a. Enzymes
  b. Lipids
  c. Glycogen
  d. All of the above


ciecieme

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: C
Myelomonocytic leukemia will be positive for both naphthol AS-D chloroacetate and a-naphthyl acetate esterase stains. The others mentioned are either negative for both or positive for only one. The stain is not useful for the diagnosis of chronic myelogenous leukemia.

Answer to Question 2

ANS: D
Cytochemistry is the study of chemical elements found in cells. It includes enzymes, lipids, and glycogen.


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