10 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... polyangiitis, Microscopic ... ab, anti-GBM ab ... biopsy By Tess Litchman ... differential #diagnosis #nephrology
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal ... - Anti-GBM Disease ... Positive (ANCA + anti-GBM ... , Behcet's Disease ... Kumfer @AnnKumfer #Pulmonary
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANCA-Associated Vasculitis ... : • Microscopic ... polyangiitis without renal ... vasculitis - MPO ... ANCA+ 90% • Anti-GBM
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
selected glomerular diseases ... (IM) - Electron ... Microscopy (EM) ... Amyloid RPGN • Anti-GBM ... #nephrology #pathology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... Autoimmune ANCA vasculitis ... life-threatening diseases ... ANCA antibody, Anti-GBM ... usually low in anti-GBM
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
polyangiitis (GPA), microscopic ... polyangiitis without renal ... involvement - PR3>MPO Microscopic ... 90%, rarely PR3 Anti-GBM ... disease - MPO>PR3
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and renal abnormalities ... PR3-ANCA): • Microscopic ... glomerulonephritis) • Anti-GBM ... (anti-C1q Vasculitis ... • Urinalysis (Renal
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
dipstick, urine microscopy ... Glomerulonephritis / Vasculits ... : ANCA, ANA, Anti-GBM ... , Anti-ds-DNA, C3 ... Differential #Diagnosis #nephrology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
and renal abnormalities ... (PR3-ANCA)): Microscopic ... abdominal pain and GN Anti-GBM ... (anti-C1q Vasculitis ... (anti-C1q Vasculitis
Anti-GIomeruIar Basement Membrane Disease (Goodpasture's Disease)

What is it? A small vessel vasculitis with circulating antibodies directed
A small vessel vasculitis ... Diagnosis: • Anti-GBM ... weeks By Tess Litchman ... AntiGBM #diagnosis #nephrology ... #pulmonary