Pathnologic @pathnologic
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Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Simplex Virus Lymphadenitis ... Simplex #Virus #Lymphadenitis ... HSV #Pathology #Microscopy ... #Clinical #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
late phase HIV lymphadenitis ... Pattern C" in HIV Lymphadenitis ... pattern C #HIV #Lymphadenitis ... PatternC #Pathology #Microscopy ... #LymphNode #Clinical
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Paracoccidioides brasiliensis Lymphadenitis ... #brasiliensis #Lymphadenitis ... #Pathology #LymphNode ... #Clinical #Microscopy
Excoriated papules with honey-colored crusting were present on the abdomen, back (Panel A), arms, and legs.
mite under light microscopy ... #Clinical #Derm ... Pathology #Scabies #Microscopy ... #Rash #NEJM
Strongyloides stercoralis Hyperinfection - Physical examination revealed reticulated purpuric patches with dusky centers on the abdomen,
biopsy of the rash ... #Clinical #Derm ... InfectiousDisease #Rash ... FilariformLarvae #Microscopy
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
typical of HIV lymphadenitis ... Pattern A" in HIV Lymphadenitis ... HIV #EarlyPhase #Lymphadenitis ... PatternA #Pathology #Microscopy ... #LymphNode #Clinical
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
#Clinical #Derm ... TineaVersicolor #Rash ... #Microscopy #Spaghetti
African Trypanosomiasis - The examination was notable for the two erythematous lesions, each measuring 3 to
rhodesiense) (Panel B) #Clinical ... #Derm #Pathology ... #Smear #Microscopy
Eyelid Melanoma - Despite conservative interventions, the stye had persisted and the skin had become noticeably
mitogenesis (Panel C) #Clinical ... #Pathology #Derm ... Eyelid #Melanoma #Microscopy
Glucagonoma-Associated Rash - The rash involved the arms, genitals, and buttocks and had progressed to the
Glucagonoma-Associated Rash ... - The rash involved ... resolve (Panel D) #Clinical ... #HONC #Derm #Pathology ... #Microscopy #CT