15 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Diagnosis Framework ... - GPA Cutaneous ... #skin #dermatology ... #rheumatology # ... differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... Diagnosis: Vasculitis ... #dermatology #rash ... #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Ig A vasculitis ... HCV, HBV Not Vasculitis ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• IgA vasculitis ... • Vasculitis ... #classification ... #rheumatology # ... vasculitis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Hypersensitivity vasculitis ... Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome • Vasculitis ... Sarcoidosis #dermatology ... #diagnosis #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... #dermpath #dermatology ... signs #lesions #diagnosis ... #clinical #manifestations ... pathology #lesions #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... differential #diagnosis ... #rheumatology # ... classification
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Infection - Vasculitis ... - Autoimmune Vasculitis ... immunoglobulins & cryoglobulins ... #Causes #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... , mucositis • Rash ... MPO > PR3 60/ GPA ... Diagnosis #Rheumatology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
malignancies, vasculitis ... • Negative causes ... to medium-sized arteries ... #rheumatology # ... hematology