Pathnologic @pathnologic
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Path Geek - All things #pathology
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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 ... her peripheral blood ... ) t(8;21), AML with ... Clinical #Path #BloodSmear ... #Blood #Smear #
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
linear red "Auer rod ... Clinical #Path #BloodSmear ... #Blood #Smear # ... Microscopy #Auer #Rods ... #AuerRods #AML
Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
promyelocytic leukemia (blood ... granules, and Auer rods ... I see all of these ... KyleBradleyMD #Auer #Rods ... #APML #Pathology
Elliptocyte - 
Note the shape of these appropriately named erythrocytes.
In addition to hereditary elliptocytosis, elliptocytes can
megaloblastic anemia ... myelophthisic anemia ... sideroblastic anemia ... Clinical #Path #BloodSmear ... #Blood #Smear #
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
metaplasia, pernicious anemia ... some hemolytic anemias ... Clinical #Path #BloodSmear ... #Blood #Smear #
Here is another peripheral blood smear demonstrating changes with iron deficiency anemia. Note the increased zone
another peripheral blood ... iron deficiency anemia ... PeripheralBloodSmear #BloodSmear ... #Anemia #IronDeficiency
Codocytes (Target cells) - Two target cells are seen in the left photo and one in
with hemolytic anemias ... Clinical #Path #BloodSmear ... #Blood #Smear #
A – cabot ring, B – Howell-Jolly Body

What are Cabot’s rings?
- They are delicate threadlike inclusions
inclusions in the red blood ... the peripheral blood ... /megaloblastic anaemia ... Pathology #Microscopy #BloodSmear
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 ... Clinical #Path #BloodSmear ... #Blood #Smear #
Spherocytes - The arrow points to one of many spherocytes in this photo. The cells have
and hemolytic anemias ... Clinical #Path #BloodSmear ... #Blood #Smear #