11 results
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
Red Blood Cell (RBC ... Spherocyte, Teardrop ... cell, Other RBC ... Howell-Jolly bodies #RBC ... #Dyspmorphic #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 normal peripheral blood smear indicates the appropriate appearance of red blood cells, with a zone
the size of the RBC ... PeripheralBloodSmear #BloodSmear
A – cabot ring, B – Howell-Jolly Body

What are Cabot’s rings?
- They are delicate threadlike inclusions
Pathology #Microscopy #BloodSmear ... #CabotRings
Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
left photo are a teardrop ... Clinical #Path #BloodSmear
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell (RBC ... Morphology Microcytic RBC ... sometimes) Macrocytic RBC ... Bite Cell RBC: G6PD ... S-beta thalassemia Teardrop
Several artifacts can cause significant and potentially misleading alterations to measured RBC parameters: 
1. Old samples
alterations to measured RBC ... samples cause RBCs ... a falsely low RBC ... Poikilocytosis #CabotRings ... #Dacrocytes, #Teardrops
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... Hemoglobinopathies • Teardrop ... coagulopathy (DIC) #RBC
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
#Path #Peds #BloodSmear ... Smear #Nucleated #RBCs
Morphologic Findings in Red Blood Cells
Basophilic stippling - Small blue dots in red cells, due to
fragmentation Dacrocytes (teardrop ... cells) - Teardrop ... RedBloodCells #RBCs