9 results
Acanthosis Nigricans: Velvety appearing, hyperpigmented skin. Associated with diabetes and a 
number of other disorders. Multiple
hyperpigmented skin ... Multiple skin tags ... #Dermatology #SkinRash ... #SkinTags #Photo ... #UCSDH
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme: skin ... Goldberg, M.D. - UCSD ... #Dermatology #SkinRash ... Erythema #Multiforme #Trunk ... #Back #Photo #UCSDH
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
Hyperpigmentation Differentials ... the Mnemonic "no skin ... #symptoms #signs ... #dermatology #skin ... #skinrash
Psoriasis: Chronic, idiopathic condition that leads to swelling, redness, and scaling of the skin.

Charlie Goldberg, M.D.
scaling of the skin ... Images #Clinical #Photo ... #Dermatology #SkinRash ... #Psoriasis #Trunk ... #Scaling #UCSDH
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
Urticaria (hives): Skin ... with systemic symptoms ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... #Dermatology #SkinRash
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
• Delayed-type skin ... and armpits -> trunk ... diagnosis #clinical #photo ... #signs #symptoms
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Auspitz sign, Koebner's ... tree pattern on trunk ... Papulosquamous #SkinRash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... commonly affects the skin ... • Affects the skin ... cmpkx deposits skin ... Vasculitis: • Skin