Pathnologic @pathnologic
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Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Herpes Simplex Virus ... Lymphadenitis ... HSV-infected cells are ... #HSV #Pathology ... #Microscopy #Clinical
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
Here are the morphological ... Wraith cells - Cross ... Rhabdomyosarcoma #Hallmarks #Pathology ... #Microscopy #Clinical
Excoriated papules with honey-colored crusting were present on the abdomen, back (Panel A), arms, and legs.
back (Panel A), arms ... #Clinical #Derm ... #Pathology #Scabies ... Microscopy #Rash #NEJM
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Here is a lymph ... late phase HIV lymphadenitis ... Pattern C" in HIV Lymphadenitis ... #PatternC #Pathology ... Microscopy #LymphNode #Clinical
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
torso and upper arms ... #Clinical #Derm ... #Pathology #Tinea ... Microscopy #Spaghetti #NEJM
African Trypanosomiasis - The examination was notable for the two erythematous lesions, each measuring 3 to
rhodesiense) (Panel B) #Clinical ... #Derm #Pathology ... TrypanosomaBrucei #NEJM
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Paracoccidioides brasiliensis Lymphadenitis ... Nodes, and lungs are ... #brasiliensis #Lymphadenitis ... #Pathology #LymphNode ... #Clinical #Microscopy
Strongyloides stercoralis Hyperinfection - Physical examination revealed reticulated purpuric patches with dusky centers on the abdomen,
#Clinical #Derm ... #Pathology #InfectiousDisease ... FilariformLarvae #Microscopy #NEJM
Eyelid Melanoma - Despite conservative interventions, the stye had persisted and the skin had become noticeably
mitogenesis (Panel C) #Clinical ... #Pathology #Derm ... Melanoma #Microscopy #NEJM
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Here is a lymph ... typical of HIV lymphadenitis ... Pattern A" in HIV Lymphadenitis ... #PatternA #Pathology ... Microscopy #LymphNode #Clinical