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 ... HSV-infected cells are ... DennisOMalleyMD) #Herpes ... HSV #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 ... KyleBradleyMD "Pattern ... infection) - "Pattern ... #Pathology #Microscopy ... #LymphNode #Clinical
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
Here are very large ... These findings are ... #Clinical #Path ... #Blood #Smear #Microscopy
These are oxalate crystals, which look like little envelopes (or tetrahedrons, depending upon your point of
These are oxalate ... Oxalate crystals are ... #Clinical #Path ... Nephro #Urine #Microscopy
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Here is a lymph ... KyleBradleyMD "Pattern ... Lymphadenitis #PatternA ... #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 ... #Microscopy #PeripheralBloodSmear
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
Here are the morphological ... Hallmarks #Pathology #Microscopy
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Nodes, and lungs are ... Lymphadenitis #Pathology #LymphNode ... #Clinical #Microscopy
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
torso and upper arms ... and meatball” pattern ... TineaVersicolor #Rash #Microscopy
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
in neutrophils are ... #Clinical #Path ... #Blood #Smear #Microscopy