7 results
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... thighs RARELY ulcerate ... bruising” around the areas ... during healing ... Differential Diagnosis #Dermatology
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
vasculitis which causes ... progressive ulceration ... of the skin. ... frequently mistaken for cellulitis ... Clinical #Photo #Dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
, scaling, and lichenification ... and scaling on ... often showing ulceration ... honey-colored crusts ... ; pruritis #dermatology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Well-demarcated erythema ... vesicles, erosions scaling ... Eczematous #SkinRash #dermatology ... #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Infectious: Dissecting cellulitis ... Capitis - Skin ... , pustules, crusts ... , erosions, or erythema ... Differential #Diagnosis #dermatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... dermatitis - Cellulitis ... - Erythema nodosum ... - Acral erythema ... Syndrome #diagnosis #dermatology
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Oral Skin Ulcers ... stomatitis • Erythema ... Acute necrotizing ulcerative ... mouth #SkinRash #dermatology ... #causes