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

< 5%
vasculitis - Diagnosis ... , causes and management ... - French Vasculitis ... involvement with purpura ... #Vasculitis #Rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... : Vasculitis: ... /HSP • Cryoglobulinemia ... Differential #Diagnosis #hematology ... #rheumatology #
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Differential Diagnosis Algorithm ... cm diameter - Purpura ... #Vascular #Vasculitis ... #SkinRash #dermatology ... #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Differential Diagnosis Algorithm ... insufficiency • Vasculitis ... Thalessemia • Cryoglobulinemia ... Ulcers #ulcerative #skinrash ... #causes
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Arthralgia - Purpura ... Cryoglobulins Cause ... triad of Palpable purpura ... classification #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
correlations • Purpura ... Identification of causes ... hemopathies (4%) • Cryoglobulinemia ... vasculitis (3%) ... #dermpath #dermatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Lupus Nephritis, Cryoglobulinemia ... Henoch-SchonIein Purpura ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Henoch-Schönlein purpura ... • Mixed cryoglobulinemia ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Purpura, ischemic ... tract, and often causes ... ANCA +MPO) • Cryoglobulinemic ... Low levels mixed cryoglobulinemia ... differential #diagnosis #rheumatology
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Differential Diagnosis Algorithm ... insufficiency • Vasculitis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes