12 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Lofgren's syndrome Ulcerative ... Giardiasis #Erythema ... Differential #Diagnosis #Dermatology ... #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... thighs RARELY ulcerate ... Differential Diagnosis #Dermatology ... #SkinRash #Clinical
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
• Contact dermatitis ... Bullous systemic lupus ... Vesiculobullous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
) • Nummular Dermatits ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Blisters - Primary Dermatologic ... pemphigoid • Erythema ... • Systemic lupus ... bowel disease (ulcerative ... Diagnosis #Algorithm #causes
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
stomatitis • Erythema ... Acute necrotizing ulcerative ... Lichen planus • Lupus ... #Oral #mouth #SkinRash ... #dermatology #Differential
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Disease: Discoid lupus ... Scarring Alopecia: Lupus ... Examination: • Signs ... , erosions, or erythema ... Differential #Diagnosis #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Seborrheic dermatitis ... associated with signs ... often showing ulceration ... honey-colored crusts ... ; pruritis #dermatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
febrile neutrophilic dermatosis ... Episcleritis Signs ... Causes: - Idiopathic ... ’s syndrome - Lupus ... Syndrome #diagnosis #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Auspitz sign, Koebner's ... soles • Discoid Lupus ... Papulosquamous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes