12 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... diagnosis: secondary ... ChristmasTree #Rash ... #dermatology #photo
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
rapidly evolving rash ... , hypotension, rash ... #infection #rash ... #dermatology #legs ... #clinical #photo
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Rash - Palpable ... Tip: To differentiate ... later confirmed by skin ... #Rash #clinical ... #photo #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... migrans • Rash ... Fever + facial rash ... • Evanescent rash ... #table #differential
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Diagnosis Algorithm ... lichenification (chronic ... Usually on lower legs
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... wax and wane; diagnosis ... trauma leads to skin ... biopsy preferred Differential ... #photo #hand
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... Manifestations: Malar rash ... • Evolution: Chronic ... #table #rheumatology ... #diagnosis #management
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... renal failure Clinical ... but stable or chronic ... nodes: 13-15%, skin ... extensor surface of legs
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Tinea Pedis 70 M chronic ... Over the years: rash ... Diagnosis? ... Moccasin tinea pedis skin ... Variety #type #clinical
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... arthralgia, arm/leg ... , mucositis • Rash ... Eosinophilia, asthma, chronic ... purpura (lower legs