Pathnologic @pathnologic
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Urinary Casts in the setting of renal disease
#Clinical #Nephro #Urine #Microscopy #Casts #Comparison #Chart #ATN #AIN
Urinary Casts in ... disease #Clinical #Nephro ... Microscopy #Casts #Comparison ... #Chart #ATN #AIN
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
are present in ... Microscopy #Clinical #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
"Pattern C" in ... proliferation (seen in ... Pathology #Microscopy #LymphNode
Comparison of basophils and mast cells (in bone marrow).

#Basophils #MastCells #Pathology #Marrow #Smear #Microscopy #Comparison #Table
Comparison of basophils ... and mast cells (in ... Smear #Microscopy #Comparison
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
infection rare in ... US, but endemic in ... Lymphadenitis #Pathology #LymphNode
Muddy Brown Casts in ATN
#Clinical #Path #Nephro #Urine #Microscopy #MuddyBrownCasts #ATN
Muddy Brown Casts in ... ATN #Clinical ... #Path #Nephro #Urine ... MuddyBrownCasts #ATN
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
cell histiocytes in ... Sometimes seen in ... #Histiocytes #LymphNode
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
pattern A", seen in ... "Pattern A" in ... Pathology #Microscopy #LymphNode