21 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
With associated pulmonary ... ANCA (C-ANCA): GPA ... , MPA >>> GPA Stanford ... #differential #diagnosis ... #algorithm #rheumatology
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
- Differential Diagnosis ... Granulomatous DX with Vasculitis ... : GPA, EGPA • ... #Differential #Diagnosis ... #pulmonary
Granulomatous Lung Disease - Differential Diagnosis Algorithm
OP: organising pneumonia; EGPA: eosinophilic granulomatosis with polyangiitis; NSG: necrotising
- Differential Diagnosis ... Algorithm OP: organising ... granulomatosis; GPA ... #pulmonary #Differential ... #Diagnosis #Algorithm
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA ... polyangiitis (GPA ... GPA causes disease ... #Polyangiitis #GPA ... #diagnosis #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... - GPA Cutaneous ... : • Behcet Disease ... #rheumatology # ... differential #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... > PR3 60% • GPA ... and branches • GCA ... • ANCA (Dx: GPA ... #rheumatology #
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated Vasculitis ... polyangiitis (GPA ... StanfordChiefs #ANCA #Vasculitis ... #differential #diagnosis ... #algorithm #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Connective tissue disease ... (5%): PAN > GPA ... , EGPA • Solid ... #dermpath #dermatology ... signs #lesions #diagnosis
Clinical Disease Characteristics and Suggested Algorithm for Diagnostic Evaluation of Patients With Symptoms of Polymyalgia Rheumatica

#Diagnosis
Clinical Disease ... and Suggested Algorithm ... for Diagnostic ... #Rheumatology # ... Algorithm #GCA #
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... Cell Arteritis (GCA ... ANCA associated vasculitis ... #Differential #Diagnosis ... #rheumatology