23 results
Several artifacts can cause significant and potentially misleading alterations to measured RBC parameters: 
1. Old samples
#TargetCells #Codocytes ... Schistocytes #Pyknocytes #Elliptocytes
Elliptocyte - 
Note the shape of these appropriately named erythrocytes.
In addition to hereditary elliptocytosis, elliptocytes can
Elliptocyte - ... elliptocytosis, elliptocytes ... #Blood #Smear #Elliptocyte
Codocytes (Target cells) - Two target cells are seen in the left photo and one in
Codocytes (Target ... #Blood #Smear #Codocytes
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
Nephrotic yndrome—podocyte ... 10 (eg direct podocyte ... damage) or 20 (podocyte
Spectrum of Glomerular Diseases
Nephrotic - Mechanism:
 • Injury to podocytes
 • Changed architecture: Scanning. Deposition of
• Injury to podocytes
Innate Immune Cells - Pathophysiology
The innate immune system consists of granulocytes, mast cells, natural killer cells,
killer cells, and monocytes ... Monocytes and neutrophils ... Monocytes and B-cells
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
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
PMNs and monocytes