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
• HSV-infected cells ... Lymphadenitis #HSV #Pathology ... Microscopy #Clinical #LymphNode
Sickle cells
These photos show sickle cells on peripheral blood smears. In the left photo target cells
Sickle cells These ... the rest being normal ... phenomenon include the normal ... months of life, the abnormal ... #Clinical #Path
A normal peripheral blood smear indicates the appropriate appearance of red blood cells, with a zone
A normal peripheral ... appearance of red blood cells ... #Clinical #Path ... PeripheralBloodSmear #BloodSmear #Normal
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
fibrosis (A) and well-formed ... seen within giant cells ... Lymphadenitis #Pathology ... #LymphNode #Clinical
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
Nucleated red blood cells ... other nucleated cells ... Normal maturation ... of red cell precursors ... #Clinical #Path
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
Signet ring cell ... #SignetRing #Cell ... #Histiocytes #LymphNode ... #Pathology #Clinical
Polychromatophilia - Note 2 large blue-gray erythrocytes as seen on H&E stain. On a stain for
reticulocytes these cells ... to release red cells ... great numbers cells ... reticulocyte is a normal ... #Clinical #Path
Spherocytes - The arrow points to one of many spherocytes in this photo. The cells have
The cells have assumed ... shape, having the normal ... color and loss of normal ... #Clinical #Path
Squamous-Cell Carcinoma of the Tongue - Intraoral examination revealed a well-circumscribed superficial ulcer, with a homogeneous
Squamous-Cell Carcinoma ... examination revealed a well-circumscribed ... red and white patch ... invasive squamous-cell ... B) #Clinical #Pathology
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
fragmented red blood cells ... schizocytes, these cells ... are one of the abnormal ... shapes of red cells ... #Clinical #Path