11 results
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
Lupus ISN/RPS ... Post-infectious GN ... glomerular #diseases #nephrology ... #pathology #comparison ... #table #diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... (C-ANCA): GPA > ... #differential #diagnosis ... #algorithm #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... : • Symptoms limited ... #Rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... nephritis, NPSLE ... #sle #comparison ... #table #rheumatology ... #diagnosis #management
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
duration of symptoms ... angioedema Other symptoms ... #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Systemic lupus ... lupus nephritis ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
histiocytosis, and ... anemia due to cold ... IgG • Lupus anticoagulant ... Paraproteinemias #Hematology ... #Differential #Diagnosis
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
associated with rheumatologic ... presentation of systemic lupus ... #Pericarditis #Symptoms ... #Presentation #comparison ... #Table #Diagnosis
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
sequestration and ... ARDS to explain symptoms ... Transfusion #Reactions #hematology ... #diagnosis #comparison ... #table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... inflammation Others: • Lupus ... such as systemic lupus ... Presentation - Systemic Symptoms ... #rheumatology #