29 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... 50% Cutaneous Vasculitis ... Secondary: CTD: SLE ... : • Immune Complex ... Vasculitis: -
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... • Drug-induced vasculitis ... disease (10%) : SLE ... +++ • IgA vasculitis ... dermatology #semiology #signs
Henoch Schonlein Purpura 
Typically a young boy. Often occurs following upper respiratory tract infection. A systemic
A systemic vasculitis ... with IgA dominant immune ... Peds #Pediatrics #Signs
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
can activate the immune ... the deposit of immune ... Immune-Mediated ... diseases: - 10% SLE ... erythematosus (SLE
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... Necrotizing, pauci-immune ... respiratory tracts Immune ... purpura: strong sign ... , and SLE) • Urinalysis
Systemic Lupus Erythematosus: Gastrointestinal Manifestations
 - Thrombosis of vessels in the pancreas, Vasculitis -> Acute Pancreatitis
the pancreas, Vasculitis ... Erythematosus #SLE ... pathophysiology #signs
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Erythematosus (SLE ... Manifestations • Immune ... Erythematosus #SLE ... pathophysiology #signs
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Autoimmune • ITP • SLE ... • Others Non-lmmune ... HUS • DIC • Vasculitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... purpura: Strong sign ... purpura • Pauci immune ... hemoptysis, pauci-immune ... GN Immune Complex
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... ANCA associated vasculitis ... erythematosus (SLE ... Erdheim-Chester), Immune