8 results
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
Connective tissue disease-associated ... interstitial lung diseases ... SLE : systemic lupus ... Differential #Comparison #Table ... #Pulmonary #Rheumatology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... and Autoimmune Diseases ... : • Systemic lupus ... • Epstein-Barr virus ... Differential #Diagnosis #Hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... involvement: Anti-GBM Disease ... diagnosis #algorithm #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... Drug Induced Lupus ... Evolution: Chronic disease ... Lupusreference #druginduced ... #table #rheumatology
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
selected glomerular diseases ... /nephritis • Lupus ... Post-infectious GN ... • Membranous GN ... pathology #comparison #table
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Association with disease ... Farr assay) and lupus ... with auto-immune diseases ... erythematosus #diagnosis #rheumatology ... #table #ANA
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... -C3 GN • Cast ... to cold IgG • Lupus ... Sneddon-Wilkinson disease ... Paraproteinemias #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... inflammation Others: • Lupus ... (Granulomatous disease ... such as systemic lupus ... differential #diagnosis #rheumatology