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Author Question: A 27-year-old woman arrives at the emergency department with acute bleeding and is found to have a ... (Read 50 times)

Lobcity

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on: Jun 25, 2018
A 27-year-old woman arrives at the emergency department with acute bleeding and is found to have a white count of 25.7 x 109L with pancytopenia: hematocrit 27, platelet count 35 x 109/L, and absolute neutrophil count 0.8 x 109/L.
 
  She has a combination of 97 blasts and abnormal promyelocytes in her peripheral blood; some of these cells contain stacked Auer rods. What form of leukemia does she most likely have?
 
  a. Acute myeloid leukemia with t(15;17)(q22:q12)
  b. Chronic myeloid leukemia
  c. Acute monoblastic leukemia
  d. Acute myeloid leukemia with t(8;21)(q33:q22)

Question 2

Acute myelomonocytic leukemia is positive for which of the following?
 
  a. CALLa (CD10)
  b. Periodic acidSchiff (PAS)
  c. HLA-DR1a
  d. CD13 and CD14


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mfedorka

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

ANS: A
Acute myeloid leukemia with t(15;17)(q22:q12) is characterized by abnormal promyelocytes, which may have stacked Auer rods. Patients are most often young adults. When bundles of Auer rods are found in a cell, they are called faggot cells.

Answer to Question 2

ANS: D
The cells in acute myelomonocytic leukemia are positive for CD13 (a myeloid antigen) and CD14 (a monocytic antigen).


Lobcity

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Reply 2 on: Jun 25, 2018
Gracias!

kthug

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Reply 3 on: Yesterday
Excellent

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