10 results
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... retroorbital mass) • Microscopic ... Cryoglobulinemic vasculitis ... - Rare in absence ... #vasculitis #differential
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
vascular integrity (trauma ... , infection, vasculitis ... 1) If lesions are ... process such as vasculiitis ... Palpable #Algorithm #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... PR3-ANCA): • Microscopic ... ear disease Differential ... Dx: GPA, EGPA, microscopic ... differential #diagnosis
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated Vasculitis ... There are many ... inflammation: • Microscopic ... StanfordChiefs #ANCA #Vasculitis ... #differential #
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... urine sediment Microscopic ... Diagnostic of GN or vasculitis ... Malignancy • Trauma ... #Hematuria #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... hemorrhage, which are ... integrity: - Trauma ... Infection - Vasculitis ... Sjogren's, GPA, EGPA, Microscopic
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... diseases to exclude are ... (PR3-ANCA)): Microscopic ... #Differential #
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... polyangiitis), MPA (microscopic ... Syndromes (PRS) are ... palpable purpura 2/2 vasculitis ... FINDINGS: • U/A: microscopic
Filariasis - Wuchereria bancrofti
30 yo F from India presents w/ painless immobile firm mass on the
Denies any trauma ... Humans are definitive ... bancrofti #clinical #photo ... #smear #microscopy
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
anywhere - Risks: Trauma ... dissemination rare ... lower extremity; rare ... rubrum #clinical #photo ... #microscopy