Pathnologic @pathnologic
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Comparison of basophils and mast cells (in bone marrow).

#Basophils #MastCells #Pathology #Marrow #Smear #Microscopy #Comparison #Table
Comparison of basophils ... and mast cells ... (in bone marrow) ... MastCells #Pathology #Marrow ... Smear #Microscopy #Comparison
Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
point to helmet cells ... are a teardrop cell ... , 2 blister cells ... , a spur cell (acanthocyte ... ), and 2 burr cells
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
Nucleated red blood cells ... from the bone marrow ... The arrow points ... other nucleated cells ... maturation of red cell
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
spherocytes (blue arrow ... schistocytes (red arrow ... non-specific red cell ... polychromatophilic cells ... (black arrow)
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
fibrosis (A) and well-formed ... Yeast forms (arrows ... seen within giant cells ... Lymphadenitis #Pathology #LymphNode
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
• HSV-infected cells ... Microscopy #Clinical #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
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
- Broken arrow ... rhabdomyoblasts - Wraith cells
The arrows point to blister cells. These cells are thought to be precursors of helmet cells.
The arrows point ... to blister cells ... These cells are ... precursors of helmet cells
Polychromatophilia - Note 2 large blue-gray erythrocytes as seen on H&E stain. On a stain for
reticulocytes these cells ... When the bone marrow ... to release red cells ... great numbers cells ... nucleated red blood cells