17 results
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
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
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
ulceration of the skin ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... #Dermatology #SkinRash ... #Gangrenosum #UCSDH
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Blastomycosis Skin ... painless, progressive skin ... Blastomycosis- 2 types of skin ... Blastomycosis #SkinRash ... dermatology #clinical #photo
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Polyneuropathy, Cranial nerve ... pain (20%) Renal disease ... erythematosus #signs ... #symptoms #diagnosis
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
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
trauma leads to skin ... painless, no systemic signs ... biopsy preferred Differential ... University Infectious Diseases ... Infection #clinical #photo
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... retinal damage) • Skin ... test (this is a skin ... ) Differential Diagnosis ... diagnosis #management #signs
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
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Insufficiency Addison's Disease ... Lymphoma Metastatic Disease ... patches on the skin ... #endocrinology ... #diagnosis #signs