12 results
Dermatological semiology of Cutaneous Vasculitis 

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

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
lesions • Mononeuritis ... tract, and often causes ... aphthous ulcers, cutaneous ... purpura: strong sign ... #rheumatology #
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... ) • Cutaneous Lesions ... response to local skin ... #management #signs ... #symptoms #rheumatology
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
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... purpura: Strong sign ... tract, and often causes ... : • Skin lesions ... #Rheumatology
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 ... Leukocytoclastic vasculitis
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
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
response -> Subacute cutaneous ... scaly annular lesions ... hair follicles -> causes ... inflammation on skin ... #signs #symptoms
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
: infections (cutaneous ... of necrotizing vasculitis ... classic targetoid lesions ... #table #differential ... #diagnosis #dermatology