12 results
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
skin lesions were ... secondary to Haemophilus ... Photo credit, Josh ... #Dermatology #SkinRash ... #UCSDH
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary ... Skin rash and malaise ... #Rash #Diagnosis ... #Clinical #Photo
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... - Differential diagnosis ... : secondary syphilis ... #dermatology #photo
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Zoster, Coxsackie (hand ... Meningococcal meningitis, Secondary ... syphilis, Disseminated ... Sweet syndrome, Vasculitis
Drug Erruption: Extensive maculo-papular rash secondary to allergic reaction to Amoxicillin.
Chest and hand are shown above.

Charlie
maculo-papular rash ... secondary to allergic ... Chest and hand are ... #Dermatology #SkinRash ... Amoxicillin #Palms #Photo
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... - Differential Diagnosis ... insufficiency • Vasculitis ... Leishmaniasis - Viral - Herpes ... Ulcers #ulcerative #skinrash
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Secondary Syphilis ... - Rash, pink ... tinea-mimicker or heaped-up ... granuIomas on skin ... Latent #Tertiary #Diagnosis
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... Herpes zoster 3 ... Irregular pustules on hands ... Generalized itchy rash ... Secondary syphilis
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... central clearing • Secondary ... Syphilis - Red ... Papulosquamous #SkinRash
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Secondary to venous ... tapioca-like vesicles on hands ... #Eczematous #SkinRash