43 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... - Differential diagnosis ... : secondary syphilis ... rosea #clinical #dermatology ... #photo #PhysicalExam
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Parvovirus B19, Varicella ... Meningococcal meningitis, Secondary ... #dermatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Vesicles/Bullae: • Varicella ... Myelodisplastic syndrome ... Pruritus #primary #secondary ... #generalized #dermatology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... Infectious • Varicella ... Vesiculobullous #SkinRash #dermatology ... #Algorithm #causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... leakage of RBC's secondary ... Kasabach-Merritt syndrome ... meningitidis - Varicella
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... in primary or secondary ... cryoglobulins • Skin ... #dermatology #physicalexam
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
- Rash on Palms ... present in 80% of cases ... #Syphilis #Rash ... #clinical #photo ... #physicalexam
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... Generalized itchy rash ... Varicella 3. ... Secondary syphilis ... #Dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Differential Diagnosis ... • Goodpasture syndrome ... #rash #diagnosis