8 results
Several artifacts can cause significant and potentially misleading alterations to measured RBC parameters: 
1. Old samples
#Schistocytes #Pyknocytes ... Elliptocytes #Ovalocytes #Echinocytes
The arrows point to blister cells. These cells are thought to be precursors of helmet cells.
acanthocyte and an echinocyte
Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
2 burr cells (echinocytes
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Differential → schizocytes
Spur-Cell Anemia- A 31-year-old man with a history of cirrhosis, recurrent hepatic encephalopathy, and anemia presented
confused with echinocytes
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Burr Cell RBC (Echinocyte
Morphologic Findings in Red Blood Cells
Basophilic stippling - Small blue dots in red cells, due to
erythrocytes Echinocytes
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
Also called schizocytes