14 results
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... retroorbital mass) • Microscopic ... Sjogren's syndrome ... • IgA vasculitis ... #vasculitis #differential
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
La) - Sjogren's syndrome ... - Vasculitis, e.g ... - Vasculitis, e.g ... Microscopic polyangiitis ... #rheumatology #antibodies
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... polyangiitis, Microscopic ... vasculitis, Behcet ... , anti-GBM ab, ANA ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... ): • Microscopic ... • Cogan Syndrome ... Dx: GPA, EGPA, microscopic ... ) pattern: antibodies
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... cases • Sjögren syndrome ... Vasculitis: • ... Microscopic polyangiitis ... Jcortesizaguirr #ANA
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... • ANCA Associated ... : - Microscopic ... Disease • Cogan syndrome ... #rheumatology #differential
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... urine sediment Microscopic ... urine sediment by microscopy ... Diagnostic of GN or vasculitis ... #Hematuria #Differential
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Differential Diagnosis ... dipstick, urine microscopy ... Glomerulonephritis / Vasculits ... Abdominal compartment syndrome ... • Cardio-renal syndrome
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Infection - Vasculitis ... - Autoimmune Vasculitis ... Sjogren's, GPA, EGPA, Microscopic ... for hepatitis B and
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Using fluorescence microscopy ... SLE), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... rheumatology #diagnosis #differential