Pathnologic @pathnologic
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Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
Hobnail variant of PTC ... pleomorphism beyond usual PTC ... #Papillary #Thyroid ... #Carcinoma #Pathology ... #Clinical #Microscopy
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Diffuse Sclerosis Variant—PTC 
 - Rare variant of PTC 
 - Approximately 3% ofall PTC
Sclerosis Variant—PTC ... #Papillary #Thyroid ... #Cancer #Pathology ... #Clinical #Gross ... #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
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Lymphadenitis #PatternC #Pathology ... #Microscopy #LymphNode ... #Clinical
African Trypanosomiasis - The examination was notable for the two erythematous lesions, each measuring 3 to
rhodesiense) (Panel B) #Clinical ... #Derm #Pathology ... #Smear #Microscopy
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Lymphadenitis #Pathology ... #LymphNode #Clinical ... #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
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
#Clinical #Derm ... #Pathology #Tinea ... TineaVersicolor #Rash #Microscopy
Strongyloides stercoralis Hyperinfection - Physical examination revealed reticulated purpuric patches with dusky centers on the abdomen,
#Clinical #Derm ... #Pathology #InfectiousDisease ... FilariformLarvae #Microscopy