Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams

Exercise 4

John is a 4-year-old boy who frequently complains of weakness, fatigue, and dyspnea. The family moved to the United States from Greece before the child's birth. Both parents experienced fatigue from time to time but never consulted a physician. Consider the types of anemia most often found at this age and the laboratory tests that could help establish a diagnosis.
What is the significance, if any, of knowing the parents' background and medical history?
The parents took John, the 4-year-old Greek patient, to a pediatrician for a checkup. A CBC ordered had the following results:
Name three disorders that frequently present with the same poikilocyte that dominates in this peripheral blood smear.