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

#Basophils #MastCells #Pathology #Marrow #Smear #Microscopy #Comparison #Table
Comparison of basophils ... and mast cells (in ... Marrow #Smear #Microscopy ... #Comparison #Table
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 ... #Clinical #Microscopy
Muddy Brown Casts in ATN
#Clinical #Path #Nephro #Urine #Microscopy #MuddyBrownCasts #ATN
Muddy Brown Casts ... in ATN #Clinical ... Nephro #Urine #Microscopy ... MuddyBrownCasts #ATN
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
presence of yeast in ... and meatball” pattern ... in the superficial ... TineaVersicolor #Rash #Microscopy
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
cell histiocytes in ... Sometimes seen in ... #Histiocytes #LymphNode ... Pathology #Clinical #Microscopy
Hepatosplenic T-cell lymphoma involving hepatic sinusoids.

HSTL also involves BM sinusoids and splenic red pulp cords and
cords and sinuses in ... essentially all cases ... 7q is present in ... most cases. ... HSTCL #Pathology #Microscopy