22 results
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... retroorbital mass) • Microscopic ... Cryoglobulinemic vasculitis ... syndrome • IgA vasculitis ... #vasculitis #differential
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... the Skin - Differential ... 50% Cutaneous Vasculitis ... Associated: - Microscopic ... #rheumatology #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... PR3-ANCA): • Microscopic ... ear disease Differential ... Dx: GPA, EGPA, microscopic ... differential #diagnosis
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
of Hemoptysis - Differential ... • Pulmonary Vasculitis ... Malignancy Pulmonary Vasculitis ... polyangiitis / microscopic ... #Hemoptysis #Differential
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated Vasculitis ... inflammation: • Microscopic ... StanfordChiefs #ANCA #Vasculitis ... #differential #
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... ANCA-positive vasculitis ... polyangiitis, Microscopic ... ANCA-negative vasculitis ... Renal #Syndrome #differential
Macroglossia in Light-Chain Amyloidosis- Physical examination revealed macroglossia, with indentations from the teeth (Panel A)...A biopsy
biopsy of the tongue ... under polarized microscopy ... AL #lightchain #NEJM
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
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urinalysis/microscopy ... Glomerulonephritis or vasculitis ... Algorithm #Causes #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... When to Consider Vasculitis ... Differential Diagnosis ... (PR3-ANCA)): Microscopic ... #Differential #