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 ... infection) - "Pattern ... phase between pattern ... #Pathology #Microscopy ... #LymphNode #Clinical
These are oxalate crystals, which look like little envelopes (or tetrahedrons, depending upon your point of
These are oxalate ... Oxalate crystals are ... #Clinical #Path ... Nephro #Urine #Microscopy
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
HSV-infected cells are ... HSV #Pathology #Microscopy ... #Clinical #LymphNode
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
Here are very large ... These findings are ... #Clinical #Path ... #Blood #Smear #Microscopy
Excoriated papules with honey-colored crusting were present on the abdomen, back (Panel A), arms, and legs.
back (Panel A), arms ... mite under light microscopy ... #Clinical #Derm ... Pathology #Scabies #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 ... TineaVersicolor #Rash #Microscopy
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
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Nodes, and lungs are ... Lymphadenitis #Pathology #LymphNode ... #Clinical #Microscopy
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
schistocytes which are ... Schistocytes are ... a more generic term ... Schistocytes are ... #Clinical #Path
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
in neutrophils are ... #Clinical #Path ... #Blood #Smear #Microscopy