11 results
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... ) • Nummular Dermatits ... #Eczematous #SkinRash ... Diagnosis #Algorithm #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... • Contact dermatitis ... Vesiculobullous #SkinRash ... Diagnosis #Algorithm #causes
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... drinks • Perioral Dermatitis ... thick honey-yellow crusts ... #Pustular #SkinRash ... Diagnosis #Algorithm #causes
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... which causes slowly ... ulceration of the skin ... Images #Clinical #Photo ... #Dermatology #SkinRash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... tract, and often causes ... - Skin, glomeruli ... mucositis - Rash ... lesions-interstitial keratitis
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
inflammation (vasculitis ... occur in chronic skin ... Seen in systemic causes ... disease. 6 Causes ... #rash #palm #dermatitis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
febrile neutrophilic dermatosis ... sudden onset of a rash ... - Rash: multiple ... Causes: - Idiopathic ... Leukocytoclastic vasculitis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... centrifugum • A chronic skin ... of necrotizing vasculitis ... gyratum repens • A skin ... induratum • A chronic skin
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... , mucositis • Rash ... tract, and often causes ... : • Skin lesions ... - interstitial keratitis
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... Moccasin tinea pedis skin ... allergic eczematous dermatitis ... type #clinical #photo