11 results
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Diagnosis Algorithm ... Well-demarcated erythema ... #Eczematous #SkinRash
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... Bullous systemic lupus ... erythematous ... Vesiculobullous #SkinRash
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... Localized / Focal ... • Drugs: Oral ... , erosions, or erythema
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Oral Skin Ulcers ... stomatitis • Erythema ... Lichen planus • Lupus ... erythematosus ... #mouth #SkinRash
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... erythematosus ... - Drugs • Oral ... - Secondary to Skin ... erythematosus
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Erythrematous ... soles • Discoid Lupus ... Papulosquamous #SkinRash
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Seborrheic dermatitis ... on sun-damaged skin ... breasts, vagina, oral ... dermatology #rash #differential ... #diagnosis #skin
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
• A dermatosis ... Well-circumscribed roundish-oval ... presenting with erythematous ... comparison #table #differential ... #diagnosis #dermatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... sp. pruritic, erythematous ... Moccasin tinea pedis skin ... fail requiring oral ... type #clinical #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... : erythematous nodules ... - Recurrent oral ... such as systemic lupus ... erythematosus,