Knowledge Check

Which of the following condition(s) are associated with increased numbers of polychromatophilic cells on the peripheral smear:

True or false: spur cells typically contain a region of central pallor.

In assessing a peripheral smear of a patient with a positive direct antiglobulin test (DAT), you find very few platelets.

What condition comes to mind?

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Evans syndrome

In which conditions are red cells more hypochromic:

The term “microcytic erythrocytosis” was used in the early 1900s to describe which condition:

What term best characterizes the schematic in panel B (panel A is normal):

What type of poikilocyte is shown above:

The term “microcytic erythrocytosis” was used in the early 1900s to describe which condition:

What term best characterizes the schematic in panel B (panel A is normal)

Macroovalocytes are typically seen in:

What type of poikilocyte is shown above:

Which panel above is most consistent with warm autoimmune hemolytic anemia:

Which lab value(s) is/are likely to be elevated in this patient (more than one answer may apply):