Pathnologic @pathnologic
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Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Herpes Simplex Virus ... DennisOMalleyMD) #Herpes #Simplex ... HSV #Pathology #Microscopy ... #Clinical #LymphNode
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
Wraith cells - Cross ... Hallmarks #Pathology #Microscopy ... #Clinical
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
PatternC #Pathology #Microscopy ... #LymphNode #Clinical
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Lymphadenitis #Pathology #LymphNode ... #Clinical #Microscopy
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
#Histiocytes #LymphNode ... #Pathology #Clinical ... #Microscopy
Aldosteronoma — Spironolactone Bodies 

1. Spironolactone is often used to treat hypertension caused by hyperaldosteronism, and
Bodies #Pathology #Clinical ... #Gross #Microscopy
Gouty Tophi: Long, monosodium urate crystals (MSU)( Amorphous granular material on low power ) 

 -
Urate #Crystals #Clinical ... #Gross #Microscopy
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
PatternA #Pathology #Microscopy ... #LymphNode #Clinical
Placenta Increta - Antenatal ultrasonography suggested placenta accreta (Panel A), with the appearance of irregular vascular
Gross and histopathological ... #Clinical #Radiology ... PlacentaIncreta #US #Microscopy
Diffuse Sclerosis Variant—PTC 
 - Rare variant of PTC 
 - Approximately 3% ofall PTC
Cancer #Pathology #Clinical ... #Gross #Microscopy