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

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
Bite cell, Elliptocyte ... #RedBloodCell #Morphology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Blood Cell (RBC) Morphology ... Myeloproliferative anemia • Elliptocytes ... coagulopathy (DIC) #RBC #Morphology
Serrated Polyps
Hyperplastic polyps (HPs):
 • Prevalence: 20-30%
 • Size: Usually small or diminutive (s 5mm)
 •
diminutive (s 5mm) • Morphology ... diameter= 5-7mm • Morphology ... than SSLs • Morphology ... Serrated #Polyps #comparison
Morphologic Findings in Red Blood Cells
Basophilic stippling - Small blue dots in red cells, due to
Morphologic Findings ... cell membrane Elliptocytes ... RedBloodCells #RBCs #Morphology ... #Morphologic #Diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Oxidative drugs Elliptocyte ... BloodCell #RBC #Morphology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
other reproducible morphologic ... pyropoikilocytes, elliptocytes
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
typical RBBB or LBBB morphology ... Morphology criteria ... Aberration #Aberrancy #Comparison
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
table #atlas #key #comparison ... #morphology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
typical RBBB or LBBB morphology ... VT #VTach #SVT #Comparison
Several artifacts can cause significant and potentially misleading alterations to measured RBC parameters: 
1. Old samples
Schistocytes #Pyknocytes #Elliptocytes ... Keratocyte #Blister #HelmetCells