8 results
Several artifacts can cause significant and potentially misleading alterations to measured RBC parameters: 
1. Old samples
Schistocytes #Pyknocytes #Elliptocytes ... Keratocyte #Blister #HelmetCells
Elliptocyte - 
Note the shape of these appropriately named erythrocytes.
In addition to hereditary elliptocytosis, elliptocytes can
Elliptocyte - ... elliptocytosis, elliptocytes ... #Blood #Smear #Elliptocyte
Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
Smear #Helmet #HelmetCells
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
Bite cell, Elliptocyte
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myeloproliferative anemia • Elliptocytes
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
pyropoikilocytes, elliptocytes
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Oxidative drugs Elliptocyte
Morphologic Findings in Red Blood Cells
Basophilic stippling - Small blue dots in red cells, due to
cell membrane Elliptocytes