Pathnologic @pathnologic
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Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
the left photo are ... a teardrop cell ... , 2 blister cells ... the right photo are ... #Clinical #Path
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
• HSV-infected cells ... are present in ... Microscopy #Clinical #LymphNode
The arrows point to blister cells. These cells are thought to be precursors of helmet cells.
point to blister cells ... These cells are ... precursors of helmet cells ... #Clinical #Path
Sickle cells
These photos show sickle cells on peripheral blood smears. In the left photo target cells
Sickle cells These ... are also seen, ... sickle unless they are ... for sickling of cells ... #Clinical #Path
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
Nucleated red blood cells ... other nucleated cells ... are orthochromic ... causes of hypoxia are ... #Clinical #Path
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Nodes, and lungs are ... fibrosis (A) and well-formed ... seen within giant cells ... Lymphadenitis #Pathology #LymphNode
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
KyleBradleyMD "Pattern ... Warthin-Finkeldey type giant cells ... Monocytoid B cells ... Lymphadenitis #PatternA ... Pathology #Microscopy #LymphNode
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
fragmented red blood cells ... schizocytes, these cells ... shapes of red cells ... a more generic term ... #Clinical #Path
Codocytes (Target cells) - Two target cells are seen in the left photo and one in
Codocytes (Target cells ... ) - Two target cells ... are seen in the ... Target cells are ... #Clinical #Path
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
Dacrocytes (tear drop cells ... Dacrocytes are found ... #Clinical #Path