9 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Abnormalities in primary ... or secondary hemostasis ... cryoglobulins • Skin ... #Petechiae #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Findings: • Petechiae ... Maculopapular rash ... EGPA • Henoch-Schönlein ... #dermatology #rash
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
- Rash, pink ... soles in 50% of cases ... rashes, including tinea-mimicker ... to asymptomatic infection ... granuIomas on skin
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... treatment, the infection ... resembling rashes caused ... #Clinical #Photo
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... rigors, diarrhea, nausea ... purpura fulminans secondary ... - BIDMC Infectious ... #photo
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... skin of inflamed ... Indiana University Infectious ... type #clinical #photo
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
responsible for most cases ... treatment. 2) Secondary ... weight loss • Skin ... : Rash is the most ... , secondary and
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
with GCA or as primary ... , mucositis • Rash ... , arthritis Primary ... present) Henoch Schonlein ... tract, and often causes
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... Significant ↓ PLT: Petechiae ... + distinctive primary ... bone marrow and secondary ... CLL -> Invade Skin