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 ... DennisOMalleyMD) #Herpes ... HSV #Pathology #Microscopy ... #Clinical #LymphNode
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
Here are the morphological ... Hallmarks #Pathology #Microscopy
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
torso and upper arms ... and meatball” pattern ... TineaVersicolor #Rash #Microscopy
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
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
Here are very large ... These findings are ... #Blood #Smear #Microscopy
Grouped Pustules on an Erythematous Base - On physical examination, grouped, coalescing pustules that had scalloped
seen on the left arm ... Microscopic examination ... Derm #Pathology #Herpes ... #Arm #Pustules ... Tzsanck #Smear #Microscopy
Salivary acinic cell carcinoma is usually an H&E diagnosis for me- but this zymogen-granule poor variant
characteristic staining pattern ... Carcinoma #Pathology #Microscopy