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Author Question: What distinguishes PRCAs such as Diamond-Blackfan syndrome from aplastic anemia? a. Peripheral ... (Read 76 times)

Cooldude101

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on: Jun 25, 2018
What distinguishes PRCAs such as Diamond-Blackfan syndrome from aplastic anemia?
 
  a. Peripheral red blood count
  b. Number of erythroid stem cells in the bone marrow
  c. Normal cellularity of myeloid cells
  d. Red cell indices

Question 2

The red cell morphology associated with aplastic anemia is:
 
  a. Normocytic normochromic with no polychromasia
  b. Normocytic normochromic with marked polychromasia
  c. Microcytic hypochromic with marked polychromasia
  d. Microcytic normochromic with no polychromasia


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xiaomengxian

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

ANS: C
Diamond-Blackfan anemia is characterized by an isolated PRCA and normal cellularity of myeloid cells. Red cell indices are not useful.

Answer to Question 2

ANS: A
Red cells are characteristically normocytic normochromic in aplastic anemia, although occasionally some macrocytosis may exist. Polychromasia is absent.


Cooldude101

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Reply 2 on: Jun 25, 2018
Thanks for the timely response, appreciate it

peter

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Reply 3 on: Yesterday
Gracias!

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