21 results
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
vasculitis - Diagnosis ... manifestations - Skin ... infection - GCs ... #Vasculitis #Rheumatology ... #Diagnosis #Management
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Diagnosis Framework ... Urticarial/LCV) - Cryoglobulinemic ... polyangiitis - EGPA - GPA ... #skin #dermatology ... differential #diagnosis
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
expression - Age: GCA ... skin lesions ... Pathophysiology #Diagnosis ... #Signs #Symptoms ... #Vasculitis
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
(5%): PAN > GPA ... hemopathies (4%) • Cryoglobulinemia ... #dermpath #dermatology ... #semiology #signs ... #lesions #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis - Skin ... and branches • GCA ... Presentation - Systemic Symptoms ... purpura: strong sign ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... reticularis & skin ... Labs/Diagnosis: ... - GPA, EGPA, microscopic ... Cryoglobulins #diagnosis
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... Algorithm Physical ... insufficiency • Vasculitis ... • Bleomycin Hematologic ... Thalessemia • Cryoglobulinemia
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Differential Diagnosis ... : Vasculitis: ... purpura • Mixed cryoglobulinemia ... #dermatology #rash ... #diagnosis #rheumatology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
• Cephalic symptoms ... Doppler US : halo sign ... #Rheumatology # ... Ophthalmology #Diagnosis ... #Algorithm
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Lupus Nephritis, Cryoglobulinemia ... ANCA (C-ANCA): GPA ... Glomerulonephritis #Vasculitis ... #differential #diagnosis ... #algorithm #rheumatology