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
Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
myelogenous leukemia (AML ... #Clinical #Path ... #Blood #Smear #Microscopy ... Rods #AuerRods #AML
A normal peripheral blood smear indicates the appropriate appearance of red blood cells, with a zone
A normal peripheral ... #Clinical #Path ... #Microscopy #PeripheralBloodSmear ... #BloodSmear #Normal
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
In addition to APL ... myeloid leukemia (AML ... ) t(8;21), AML with ... #Clinical #Path ... #Blood #Smear #Microscopy
â–º
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Lymphadenitis #PatternC #Pathology ... #Microscopy #LymphNode
Prolymphocytes

In our case, the patient has T-prolymphocytic leukemia (T-PLL) not Acute Myeloid Leukemia (AML).  🔬Tumor
Myeloid Leukemia (AML ... Smear #Peripheral #Pathology ... #Microscopy #Clinical
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
Normal Bone Marrow
#Clinical #Path #Microscopy #BoneMarrow #Normal #Marrow
Normal Bone Marrow ... #Clinical #Path ... #Microscopy #BoneMarrow ... #Normal #Marrow
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
#Histiocytes #LymphNode ... #Pathology #Clinical ... #Microscopy
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
staining confirmed a normal ... Clinical #Derm #Pathology ... TineaVersicolor #Rash #Microscopy