13 results
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
- Differential ... Diagnosis Algorithm ... drinks • Perioral Dermatitis ... #SkinRash #dermatology ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Rash - Differential ... Diagnosis Algorithm ... #SkinRash #dermatology ... #Differential # ... #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm ... Bullous systemic lupus ... erythematous ... Vesiculobullous #SkinRash ... #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Diagnosis Algorithm ... Reactive erythematous ... Urticaria - Firm / edematous ... #Reactive #SkinRash ... #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Diagnosis Algorithm ... Erythrematous ... soles • Discoid Lupus ... Papulosquamous #SkinRash ... #causes
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Oral Skin Ulcers ... Lichen planus • Lupus ... erythematosus ... #mouth #SkinRash ... #causes
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diagnosis Algorithm ... erythematosus ... - Drugs • Oral ... erythematosus ... #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... erythematosus, ... erythematosus, ... • Drugs: Oral ... • Scaling, pustules
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Seborrheic dermatitis ... scale • Atopic dermatitis ... honey-colored crusts ... breasts, vagina, oral ... dermatology #rash #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... presenting with erythematous ... neonatorum • Pustular ... that smear of the pustular ... comparison #table #differential