13 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... Differential diagnosis: secondary ... nummular eczema, tinea ... #dermatology #photo
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
- Rash, pink ... rashes, including tinea-mimicker ... to asymptomatic infection ... granuIomas on skin ... #Primary #Secondary
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Early Primary: ... lymphadenopathy Early Secondary ... Fever, malaise • Rash ... Gummatous • Nodular lesions ... in bone, skin,
Natural History of Syphilis
Primary - 2-6 weeks after infection
 • Chancre, Regional lymphadenopathy
Early Latent ≤ 1
History of Syphilis Primary ... • Asymptomatic Secondary ... 2 months after primary ... syphilis • Rash ... lymphadenopathy, Mucosal lesions
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 ... heaped, wart-like lesions—Condyloma ... #Clinical #Photo
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
reddish-purple lesions ... Abnormalities in primary ... or secondary hemostasis ... RMSF - Henoch Schonlein ... cryoglobulins • Skin
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... central clearing • Secondary ... white adherent scales
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
Syphilis • Direct lesion ... treatment. 2) Secondary ... weight loss • Skin ... : Rash is the most ... , secondary and
Primary Syphilis
Usually, a single ulcer (chancre) appears at the site where the bacteria entered the body.
▪ Painless lesion ... administered, the infection ... progresses to the secondary ... stage. ... Diagnosis #Clinical #Photo
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... Generalized itchy rash ... Mpox • Starts ... Secondary syphilis ... #Lesions #Differential