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 ... DennisOMalleyMD) #Herpes #Simplex ... Pathology #Microscopy #Clinical ... #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
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
Urinary Casts in the setting of renal disease
#Clinical #Nephro #Urine #Microscopy #Casts #Comparison #Chart #ATN #AIN
renal disease #Clinical ... #Nephro #Urine
These are oxalate crystals, which look like little envelopes (or tetrahedrons, depending upon your point of
#Clinical #Path ... #Nephro #Urine #
Muddy Brown Casts in ATN
#Clinical #Path #Nephro #Urine #Microscopy #MuddyBrownCasts #ATN
Casts in ATN #Clinical ... #Path #Nephro #Urine
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
#Histiocytes #LymphNode ... #Pathology #Clinical
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Pathology #Microscopy #LymphNode ... #Clinical
These are granular casts, with a roughly rectangular shape.
#Clinical #Urine #Microscopy #Granular #Casts #GranularCasts
#Clinical #Urine