36 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 ... #diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... urine • 1ml blood ... of GN or vasculitis ... causes #urology #nephrology ... #renal #urine #blood
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
granulomatosis - microscopic ... drugs, malignomas, and ... #Vessels #Diagnosis ... #Rheumatology # ... Diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... polyangiitis, Microscopic ... vasculitis, Behcet ... #differential #diagnosis ... #nephrology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... • ANCA Associated ... : - Microscopic ... Disease • Cogan syndrome ... #dermatology #rheumatology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Differential Diagnosis ... Investigations: full blood ... dipstick, urine microscopy ... Glomerulonephritis / Vasculits ... #nephrology #causes
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Disease Associations ANA ... - Vasculitis, e.g ... Microscopic polyangiitis ... Associations #diseases #diagnosis ... #table #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
): • Microscopic ... pulses, bruis, or blood ... Large Vessel: Blood ... Dx: GPA, EGPA, microscopic ... #rheumatology #
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
Vasculitis A group ... polyangiitis (GPA), microscopic ... involvement - PR3>MPO Microscopic ... PANCA #MPO #PR3 #Diagnosis ... #Rheumatology
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
Vasculitis There ... inflammation: • Microscopic ... #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology