12 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
vasculitis which causes ... ulceration of the skin ... frequently mistaken for cellulitis ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... - Secondary to Skin ... HairLoss #Alopecia #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Differential Diagnosis Algorithm ... Papulosquamous #SkinRash #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Localized / Focal ... Infectious: Dissecting cellulitis ... Capitis - Skin ... , pustules, crusts ... Differential #Diagnosis #dermatology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Differential Diagnosis Algorithm ... #Localized #Focal ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Differential Diagnosis Algorithm ... vesicles, erosions scaling ... Eczematous #SkinRash #dermatology ... #causes
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... Differential Diagnosis Algorithm ... distribution, sparing ... Pustular #SkinRash #dermatology ... #causes
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized ... Differential Diagnosis Algorithm ... - Secondary to Skin ... #Localized #dermatology ... #causes
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
in sun exposed areas ... -> Scaring alopecia ... hair follicles -> causes ... cells -> Incr local ... inflammation on skin
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
plaques of erythema, scaling ... of erythema and scaling ... honey-colored crusts ... , erythematous scaling ... ; pruritis #dermatology