1105 results
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
associated with MPO ... polyangiitis - MPO ... polyangiitis - MPO ... Renal-limited - MPO ... #PR3 #Diagnosis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
polyangiitis - MPO ... PR3 (80-90%) > MPO ... involvement - PR3>MPO ... Churg-Strauss) - MPO ... Antineutrophil #antibodies #diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
C-ANCA): GPA >>> MPA ... > eGPA • MPO-ANCA ... P-ANCA): eGPA, MPA ... #differential #diagnosis
ANCA Associated Vasculitis (AAV) - Auto-antibodies and Differential Diagnosis

MPA → usually p-ANCA
GPA → usually c-ANCA
EGPA →
and Differential Diagnosis ... MPA → usually ... 50% P-ANCA (MPO ... #Differential #Diagnosis
Appearance of Monkeypox Primary Inoculation Reactions

#Monkeypox #MPV #MPX #lesions #clinical #Inoculation #photo
#Monkeypox #MPV ... #MPX #lesions #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
myeloperoxidase (MPO-ANCA ... present in >90%, MPO ... Granulomas - MPO ... (10-40% ANCA +MPO ... myeloperoxidase (MPO
Frequency of ANCA Positivity in Different Conditions
ANCA-Associated Vasculitis
 • GPA - PR3-ANCA 75%, MPO-ANCA 20%, 5%
PR3-ANCA 75%, MPO-ANCA ... PR3-ANCA 30%, MPO-ANCA ... positivity for MPO ... #sensitivity #MPO ... #PR3 #diagnosis
How to Collect Swab Specimens for Monkeypox Testing

Swab in Tube (ie Copan FLOQSwab) vs Peel Pouch
Puritan) #PUI #MPV ... #MPX #Monkeypox ... #instructions #Diagnosis
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
and Differential Diagnosis ... CD34, HLA-DR, MPO ... Polycythemia Vera (PV ... #Differential #Diagnosis
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE) - Diagnosis ... and Management ... - pANCA anti-MPO ... Erythematosus #Diagnosis ... #Management #Summary