Pathnologic @pathnologic
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A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
promyelocytes, anemia ... She was diagnosed ... her peripheral blood ... neutrophils with ... #Smear #Microscopy
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How to distinguish a metamyelocyte from a band neutrophil.

- Kyle Bradley, MD
@KyleBradleyMD

#Clinical #Pathology #Microscopy #Blood #Smear
metamyelocyte from a band neutrophil ... Pathology #Microscopy #Blood ... #Smear #Peripheral ... Metamyelocytes #Bands #Neutrophils
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
a linear red "Auer ... Path #BloodSmear #Blood ... #Smear #Microscopy ... #Auer #Rods #AuerRods
Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
promyelocytic leukemia (blood ... granules, and Auer ... KyleBradleyMD #Auer ... Hematology #Clinical #Smear
Elliptocyte - 
Note the shape of these appropriately named erythrocytes.
In addition to hereditary elliptocytosis, elliptocytes can
megaloblastic anemia ... myelophthisic anemia ... sideroblastic anemia ... Path #BloodSmear #Blood ... #Smear #Elliptocyte
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
metaplasia, pernicious anemia ... some hemolytic anemias ... Path #BloodSmear #Blood ... #Smear #Dacrocytes
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
Peripheral blood ... microangiopathic hemolytic anemia ... and laboratory diagnosis ... arrow) Peripheral smear ... Hematology #Pathology #Smear
Here is another peripheral blood smear demonstrating changes with iron deficiency anemia. Note the increased zone
another peripheral blood ... smear demonstrating ... iron deficiency anemia ... PeripheralBloodSmear #BloodSmear #Anemia
Red Blood Cell Morphology Atlas

Size variation, Hemoglobin distribution,  
Hypochromia,  
Shape variation,  
Inclusions, 
Red
Red Blood Cell Morphology ... distribution #Diagnosis ... #Path #Blood #Smear
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
fragmented red blood ... seen in hemolytic anemias ... microangiopathic hemolytic anemia ... Path #BloodSmear #Blood ... #Smear #Schistocytes