Pathnologic @pathnologic
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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
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 ... #LymphNode #Clinical
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Herpes Simplex Virus ... • HSV-infected cells ... are present in ... HSV #Pathology #Microscopy ... #Clinical #LymphNode
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
non-specific red cell ... polychromatophilic cells ... arrow) Peripheral smear ... Hematology #Pathology #Smear ... #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 ... Prolymphocytes #Smear ... Peripheral #Pathology #Microscopy
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Nodes, and lungs are ... fibrosis (A) and well-formed ... seen within giant cells ... Lymphadenitis #Pathology #LymphNode ... #Clinical #Microscopy
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
Here are very large ... These findings are ... BloodSmear #Blood #Smear ... #Microscopy #Auer
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
Here are the morphological ... rhabdomyoblasts - Wraith cells ... Hallmarks #Pathology #Microscopy
Pity this Giant Pronormoblast from an elderly pt w pure red cell aplasia. In the proper
pt w pure red cell ... context, these are ... Parvovirus #Pathology #Smear ... #Microscopy #Hematology
Grouped Pustules on an Erythematous Base - On physical examination, grouped, coalescing pustules that had scalloped
seen on the left arm ... multinucleated giant cells ... Derm #Pathology #Herpes ... #Arm #Pustules ... #Tzsanck #Smear