7 results
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Herpes Simplex Virus ... Lymphadenitis ... DennisOMalleyMD) #Herpes ... #HSV #Pathology ... #Microscopy #Clinical
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
Acute Graft versus Host disease: vacuolar interface dermatitis w/ lymphoexocytosis, dyskeratotic keratinocytes, notable satellite cell necrosis.
after BMT like here ... Host #disease #Pathology ... #Microscopy #Dermatology
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
Trichofolliculoma - Dermatopathology
Mnemonic: Mama and her Babies. Multiple vellus hair follicles emanating from one large central
section shown here ... trichofolliculoma #Pathology ... #Microscopy #Dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... PR3-ANCA): • Microscopic ... ear disease Differential ... Dx: GPA, EGPA, microscopic ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... muscle weakness • Nerves ... (PR3-ANCA)): Microscopic ... #Diagnosis #Rheumatology