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Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
Schistocytes can ... left photo are a teardrop ... Clinical #Path #BloodSmear ... #HelmetCells #Schistocytes
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
sideroblast, Schistocyte ... Spherocyte, Teardrop ... #Dyspmorphic #BloodSmear
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
Schistocytes - The ... Also called schizocytes ... Schistocytes are ... Schistocytes are ... Clinical #Path #BloodSmear
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
resemble a pear or teardrop ... Clinical #Path #BloodSmear ... Smear #Dacrocytes #Teardrop
A – cabot ring, B – Howell-Jolly Body

What are Cabot’s rings?
- They are delicate threadlike inclusions
Pathology #Microscopy #BloodSmear ... #CabotRings
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Hemoglobinopathies • Teardrop ... Pulmonary emboli • Schistocytes
Polychromatophilia - Note 2 large blue-gray erythrocytes as seen on H&E stain. On a stain for
photo also shows a schistocyte ... Clinical #Path #BloodSmear
Morphologic Findings in Red Blood Cells
Basophilic stippling - Small blue dots in red cells, due to
redundant membrane Schistocytes ... fragmentation Dacrocytes (teardrop ... cells) - Teardrop
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Schistocyte: Microangiopathic ... S-beta thalassemia Teardrop
Several artifacts can cause significant and potentially misleading alterations to measured RBC parameters: 
1. Old samples
Poikilocytosis #CabotRings ... #Dacrocytes, #Teardrops ... #Drepanocytes #Schistocytes