Pathnologic @pathnologic
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Path Geek - All things #pathology
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Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Herpes Simplex Virus ... DennisOMalleyMD) #Herpes #Simplex ... Pathology #Microscopy #Clinical ... #LymphNode
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
Elliptocyte - 
Note the shape of these appropriately named erythrocytes.
In addition to hereditary elliptocytosis, elliptocytes can
megaloblastic anemia ... myelophthisic anemia ... sideroblastic anemia ... iron deficiency anemia ... #Clinical #Path
Here is another peripheral blood smear demonstrating changes with iron deficiency anemia. Note the increased zone
iron deficiency anemia ... #Clinical #Path ... PeripheralBloodSmear #BloodSmear #Anemia
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
seen in hemolytic anemias ... microangiopathic hemolytic anemia ... Clinical conditions ... #Clinical #Path
Codocytes (Target cells) - Two target cells are seen in the left photo and one in
with hemolytic anemias ... #Clinical #Path
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
promyelocytes, anemia ... #Clinical #Path
Spherocytes - The arrow points to one of many spherocytes in this photo. The cells have
and hemolytic anemias ... #Clinical #Path
With iron deficiency anemia, the MCV of the red blood cells is decreased, the zone of
iron deficiency anemia ... #Clinical #Path ... #Anemia #IronDeficiency
Sickle cells
These photos show sickle cells on peripheral blood smears. In the left photo target cells
trait do very well clinically ... no significant anemia ... #Clinical #Path