11 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... nummular eczema, tinea ... #dermatology #photo ... #PhysicalExam
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Rash - Palpable ... Henoch-Schonlein purpura (IgA ... later confirmed by skin ... #Rash #clinical ... #photo #dermatology
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Purpura (HSP, IgA ... Schonlein #HSP #IgA ... Vasculitis #clinical #photo ... #dermatology #skin ... #rash #physicalexam
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Moccasin-variety Tinea ... Over the years: rash ... Moccasin type tinea ... skin of inflamed ... type #clinical #photo
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... rapidly evolving rash ... Vibrio #Vulnificus #skin ... #dermatology #legs ... #clinical #photo
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 ... Infection #clinical #photo
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... Pinpoint areas (less ... : • Palpable Rash ... cryoglobulins • Skin ... #dermatology #physicalexam
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Ankles, lower legs ... collarette of scale • Tinea ... with site, (e.g„ tinea ... extremities, especially legs ... #dermatology #rash
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... , mucositis • Rash ... Schonlein Purpura (IgA ... , IgA (cmpkx deposits ... purpura (lower legs
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Syphilis - Rash ... rashes, including tinea-mimicker ... - Less common ... granuIomas on skin