43 results
Lichen Simplex Chronicus: Thickened, red, puritic patch of skin resulting from chronic rubbing 
and scratching.

Charlie Goldberg,
puritic patch of skin ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #SkinRash #Lichen ... #UCSDH
Steroid Induced Atrophy: Chronic topical steroid use has led to marked thinning of the skin.

Charlie Goldberg,
Induced Atrophy: Chronic ... thinning of the skin ... Clinical #Photo #Dermatology ... #SkinRash #Steroid ... #Atrophy #UCSDH
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... - Differential Diagnosis ... ) • Behcet's syndrome ... genitals #Ulcers #ulcerative ... #skinrash #dermatology
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
www.medscape.com/slideshow/dermatology-mnemonics ... -6011359#5 #diagnosis ... #differential #symptoms ... #signs #dermatology ... #skin #skinrash
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Head and Neck Skin ... - Differential Diagnosis ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #Diagnosis
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
Urticaria (hives): Skin ... with systemic symptoms ... Clinical #Photo #Dermatology ... #SkinRash #Urticaria ... #Hives #UCSDH
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
progressive ulceration ... of the skin. ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #SkinRash #Pyoderma
Coccidioidomycosis: skin lesions associated with chronic infection.
Photo Credit, Josh Fierer, M.D.

Charlie Goldberg, M.D. - UCSD Catalog
Coccidioidomycosis: skin ... associated with chronic ... Images #Clinical #Dermatology ... #SkinRash #Coccidioidomycosis ... #Photo #UCSDH
Coccidioidomycosis: skin lesions associated with chronic infection.
Photo Credit, Josh Fierer, M.D.

Charlie Goldberg, M.D. - UCSD Catalog
Coccidioidomycosis: skin ... associated with chronic ... Images #Clinical #Dermatology ... #SkinRash #Coccidioidomycosis ... #Photo #UCSDH
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... - Differential Diagnosis ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #Diagnosis