61 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cytokines, Mast Cells ... Formation -> Vasculitis ... #HUV #Pathophysiology ... #Rheumatology
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
yrs old; F>M Signs ... Anemia - Giant cells ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... Identification of causes ... • Drug-induced vasculitis ... #dermpath #dermatology ... #semiology #signs
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
- Diagnosis, causes ... and management ... - French Vasculitis ... #Rheumatology # ... Cryoglobulinemic #Diagnosis #Management
Treatment of Non-hepatitis C virus Cryoglobulinemia Vasculitis - French Vasculitis Study Group

MONOCLONAL CRYOGLOBULINEMIA (TYPE 1) 
IgM
Cryoglobulinemia Vasculitis ... - French Vasculitis ... Target plasma cells ... Cryoglobulinemia #Vasculitis ... #Management #Rheumatology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... germinative skin cells ... Causes: 1) Exfoliative ... Skin-homing T-cells ... #Diagnosis #Dermatology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Viral replication causes ... vascular endothelial cells ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... various inflammatory cells ... periumbilical region), nausea ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... When to Consider Vasculitis ... tract, and often causes ... purpura: strong sign ... differential #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology