11 results
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Henoch Schonlein ... Leg Rash - Palpable ... later confirmed by skin ... #Rash #clinical ... #photo #dermatology
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
progressive infection ... As the infection ... occurs deep to the skin ... Images #Clinical #Photo ... #SkinRash #Necrotizing
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... leishmania, Tb, NTM; less ... #clinical #photo ... #hand
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Pinpoint areas (less ... - Trauma - Infection ... RMSF - Henoch Schonlein ... for hepatitis B and ... cryoglobulins • Skin
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
trailing scale that lags ... Commonly mistaken for tinea ... associations with infections ... EAC #clinical #photo ... #dermatology #skinrash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... skin of inflamed ... pitted keratolysis; and ... Indiana University Infectious ... type #clinical #photo
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
larva migrans skin ... Strongyloides stercoralis infection ... Indiana University Infectious ... larva #migrans #skinRash ... dermatology #clinical #photo
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Syphilis - Rash ... rashes, including tinea-mimicker ... - Less common ... to asymptomatic infection ... granuIomas on skin
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... arthralgia, arm/leg ... , mucositis • Rash ... present) Henoch Schonlein ... purpura (lower legs
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
culture of a skin ... from a patient’s leg ... / foot + tinea ... - Preexisting tinea ... rubrum #clinical #photo