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 ... Lymphadenitis ... DennisOMalleyMD) #Herpes ... Pathology #Microscopy #Clinical ... #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Here is a lymph ... late phase HIV lymphadenitis ... Pattern C" in HIV Lymphadenitis ... Pathology #Microscopy #LymphNode ... #Clinical
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Paracoccidioides brasiliensis Lymphadenitis ... #brasiliensis #Lymphadenitis ... #Pathology #LymphNode ... #Clinical #Microscopy
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Here is a lymph ... typical of HIV lymphadenitis ... Pattern A" in HIV Lymphadenitis ... Pathology #Microscopy #LymphNode ... #Clinical
Here is another peripheral blood smear demonstrating changes with iron deficiency anemia. Note the increased zone
Here is another ... #Clinical #Path ... PeripheralBloodSmear #BloodSmear
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
Here are very large ... #Clinical #Path ... #BloodSmear #Blood
Stomatocyte - The appearance of stomatocytes with their oval or rectangular central pallor has been compared
Clinical Correlation ... seen in liver disease ... #Clinical #Path ... #BloodSmear #Blood
Acute Graft versus Host disease: vacuolar interface dermatitis w/ lymphoexocytosis, dyskeratotic keratinocytes, notable satellite cell necrosis.
Graft versus Host disease ... after BMT like here ... #versus #Host #disease ... #Dermatology #Clinical
Sickle cells
These photos show sickle cells on peripheral blood smears. In the left photo target cells
to sickle cell disease ... trait do very well clinically ... thalassemia, and HbSC disease ... #Clinical #Path ... #BloodSmear #Blood