Laboratory findings on a stained blood smear exhibit striking erythrocyte morphologic abnormalities. The MCV is decreased, osmotic fragility is abnormal, and the thermal sensitivity test demonstrates an increase in erythrocyte fragmentation. Autohemolysis in increased and is not corrected with glucose. What disorder is associated with these findings?

Question

Quizplus · Accepted Answer

Hereditary pyropoikilocytosis is characterized by decreased MCV, abnormal osmotic fragility, increased thermal sensitivity, and increased autohemolysis not corrected by glucose.

Laboratory Findings on a Stained Blood Smear Exhibit Striking Erythrocyte