11 results
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
DERMATOMYOSITIS Cutaneous ... lesions: antihelix ... Mechanic's hands #AntiMDA5DM ... #AntiMDA5 #Dermatomyositis ... dermatology #diagnosis
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
response -> Subacute cutaneous ... lesions and plaques ... hair follicles -> causes ... inflammation on skin ... #signs #symptoms
Clinical Characteristics of Simple vs Complex Cutaneous Leishmaniasis 
Simple CL
 - Caused by a Leishmania species
Simple vs Complex Cutaneous ... Simple CL - Caused ... ) Complex CL: Caused ... Leishmaniasis #diagnosis ... #comparison #table
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Most common extra cutaneous ... Episcleritis Signs ... Causes: - Idiopathic ... , breast CA - Hematologic ... ’s syndrome - Lupus
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Rare (SSA+ for cutaneous ... Discontinuation of causal ... #sle #comparison ... #table #rheumatology ... #diagnosis #management
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... lesions - Wheals ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... - Differential Diagnosis ... Auspitz sign, Koebner's ... soles • Discoid Lupus ... #Algorithm #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
lesions • Mononeuritis ... tract, and often causes ... such as systemic lupus ... purpura: strong sign ... #rheumatology #
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
: infections (cutaneous ... classic targetoid lesions ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... purpura: Strong sign ... tract, and often causes ... #Rheumatology