9 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... syphilis (involve ... nummular eczema, tinea ... #photo #PhysicalExam
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
Secondary Syphilis ... - Rash on Palms ... #Syphilis #Rash ... #clinical #photo ... #Soles #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... Syphilis - Red ... plaques on palms and soles
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 ... #Clinical #Photo ... #Dermatology
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized ... Infectious • Tinea ... to Skin Disease ... syphilis #HairLoss ... #dermatology #Differential
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Secondary Syphilis ... - Rash, pink ... Involves palms/soles ... rashes, including tinea-mimicker ... granuIomas on skin
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... stress FOCAL / LOCALIZED ... to Skin Disease ... syphilis #Diffuse ... HairLoss #Alopecia #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... disease Pustular Localised ... Generalized itchy rash ... Secondary syphilis ... #Diagnosis #Dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
eczema - Palms, soles ... dermatitis - Anywhere - Localized ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #rash #differential