11 results
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... • Bullous systemic ... lupus erythematous ... Vesiculobullous #SkinRash ... #dermatology #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Classification: ... • Type-I Interferonopathies ... lupus erythematosus ... #Lupus #Erythematosus
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... lupus erythematosus ... lupus erythematosus ... lupus erythematosus ... : Lupus (SLE), Systemic
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... 69% - Malar rash ... SLE-Related Auto-Antibodies ... #Lupus #Erythematosus ... #rheumatology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Allergen-specific lgE antibodies ... during hemolytic disease ... lupus erythematosus ... - Contact dermatitis ... #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Action: IgG/lgM antibodies ... reaction, Haemolytic disease ... glomerulonephritis, Systemic ... lupus erythematosus ... #comparison
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... mucositis - Rash ... lupus erythematosus ... C-ANCA) pattern: antibodies ... #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... Syndrome: • Clinical ... • Autoimmune diseases ... lupus erythematosus ... #classification
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... months to years) Systemic ... Lupus Erythematosus ... Evolution: Chronic disease ... #sle #comparison
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... form of delayed-type ... presenting with erythematous ... PrathitKulkarni #Erythemas #comparison ... #table #differential