Pathnologic @pathnologic
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Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
KyleBradleyMD "Pattern ... infection) - "Pattern ... phase between pattern ... #Pathology #Microscopy ... #LymphNode #Clinical
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
lymphadenitis (so-called "pattern ... KyleBradleyMD "Pattern ... Lymphadenitis #PatternA ... #Pathology #Microscopy ... #LymphNode #Clinical
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
• HSV-infected cells ... are present in ... Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Nodes, and lungs are ... seen within giant cells ... Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
characterized by an ... non-specific red cell ... polychromatophilic cells ... anemia #Hematology #Pathology ... #Smear #Microscopy
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
torso and upper arms ... and meatball” pattern ... Clinical #Derm #Pathology ... TineaVersicolor #Rash #Microscopy
Squamous-Cell Carcinoma of the Tongue - Intraoral examination revealed a well-circumscribed superficial ulcer, with a homogeneous
Squamous-Cell Carcinoma ... red and white patch ... invasive squamous-cell ... B) #Clinical #Pathology ... Tongue #Squamous #Microscopy
Salivary acinic cell carcinoma is usually an H&E diagnosis for me- but this zymogen-granule poor variant
Salivary acinic cell ... carcinoma is usually an ... characteristic staining pattern ... #Carcinoma #Pathology ... #Microscopy #Clinical
Pity this Giant Pronormoblast from an elderly pt w pure red cell aplasia. In the proper
Pronormoblast from an ... pt w pure red cell ... context, these are ... Aplasia #Parvovirus #Pathology ... #Smear #Microscopy
Acute tubular necrosis - Note necrosis and sloughing of epithelial cells of the proximal convoluted tubules.
of epithelial cells ... convoluted tubules are ... #Clinical #Path ... #Microscopy #ATN