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
Simplex Virus Lymphadenitis ... • HSV-infected cells ... Simplex #Virus #Lymphadenitis ... Microscopy #Clinical #LymphNode
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Paracoccidioides brasiliensis Lymphadenitis ... fibrosis (A) and well-formed ... seen within giant cells ... #brasiliensis #Lymphadenitis ... #Pathology #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
late phase HIV lymphadenitis ... Pattern C" in HIV Lymphadenitis ... pattern C #HIV #Lymphadenitis ... Pathology #Microscopy #LymphNode
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
typical of HIV lymphadenitis ... Pattern A" in HIV Lymphadenitis ... Warthin-Finkeldey type giant cells ... Monocytoid B cells ... Pathology #Microscopy #LymphNode
Sickle cells
These photos show sickle cells on peripheral blood smears. In the left photo target cells
Sickle cells These ... on peripheral blood ... left photo target cells ... photo, target cells ... Path #BloodSmear #Blood
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 ... ), and 2 burr cells ... Path #BloodSmear #Blood
Red Blood Cell Morphology Atlas

Size variation, Hemoglobin distribution,  
Hypochromia,  
Shape variation,  
Inclusions, 
Red
Red Blood Cell Morphology ... Inclusions, Red cell ... Diagnosis #Path #Blood
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
Red cell autoagglutination ... process whereby red cells ... individual’s red blood ... cells (RBCs or ... Clinical #Path #Blood
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
Red cell autoagglutination ... process whereby red cells ... individual’s red blood ... cells (RBCs or ... Clinical #Path #Blood
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
Nucleated red blood ... cells, aka normoblasts ... other nucleated cells ... maturation of red cell ... #BloodSmear #Blood