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
Here is a lymph ... KyleBradleyMD "Pattern ... infection) - "Pattern ... #Pathology #Microscopy ... #LymphNode #Clinical
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
• HSV-infected cells ... are present in ... Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Here is a lymph ... lymphadenitis (so-called "pattern ... KyleBradleyMD "Pattern ... Lymphadenitis #PatternA ... #Pathology #Microscopy
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
Here are the morphological ... rhabdomyoblasts - Wraith cells ... Rhabdomyosarcoma #Hallmarks #Pathology ... #Microscopy #Clinical
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Nodes, and lungs are ... seen within giant cells ... Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
The many faces of the Hodgkin/Reed-Sternberg (HRS) cell: Even as medical students we are aware of
medical students we are ... (RS cell). ... textbook forms are ... #Pathology #Clinical ... #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 #Pathology ... TineaVersicolor #Rash #Microscopy
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
non-specific red cell ... polychromatophilic cells ... smear changes are ... anemia #Hematology #Pathology ... #Smear #Microscopy
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
Signet ring cell ... #SignetRing #Cell ... #Histiocytes #LymphNode ... #Pathology #Clinical ... #Microscopy
Prolymphocytes

In our case, the patient has T-prolymphocytic leukemia (T-PLL) not Acute Myeloid Leukemia (AML).  🔬Tumor
🔬Tumor cells are ... size lymphoid cells ... Smear #Peripheral #Pathology ... #Microscopy #Clinical