2459 results
ANCA Associated Vasculitis (AAV) - Auto-antibodies and Differential Diagnosis

MPA → usually p-ANCA
GPA → usually c-ANCA
EGPA →
Auto-antibodies and Differential ... Diagnosis MPA ... 50% P-ANCA (MPO ... Vasculitis #AAV #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... present in >90%, MPO ... Granulomas - MPO ... ear disease Differential ... #Vasculitides #differential
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 ... Glomerulonephritis #Vasculitis #differential
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... CD34, HLA-DR, MPO ... hematology #Markers #Differential
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
anti-myeloperioxidase (MPO ... Classification #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... present in > 30 / MPO ... 40 Y / ANCA + MPO ... #Vasculitis #Differential
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... Mpox • Starts ... Skin #Lesions #Differential
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 ... #CANCA #PANCA #MPO
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 ... Anti-GBM disease - MPO
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... a.k.a EPO. ... waiting for the EPO ... is ramping up EPO ... #Polycythemia #Differential