22 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 syphilis ... #photo #PhysicalExam
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 ... #Dermatology
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
Secondary Syphilis ... - Rash on Palms ... Typical lesions ... #Syphilis #Rash ... #clinical #photo
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
on erythematous base ... Amyloidosis • Eosinophilic ... lesions • Discoid ... Sarcoidosis #dermatology ... #differential #diagnosis
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
lymphadenopathy Early Secondary ... Fever, malaise • Rash ... Gummatous • Nodular lesions ... in bone, skin, ... symptoms #signs #diagnosis
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... silvery scale on elbows ... central clearing • Secondary ... Syphilis - Red
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
/ Ill, Target Lesions ... meningococcaemia - Syphilis ... Macules #Papules #Rash ... #Algorithm #Diagnosis ... #Dermatology #Skin
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
- The chancre lesion ... Secondary Syphilis ... - Rash, pink ... granuIomas on skin ... Latent #Tertiary #Diagnosis
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
differentiated based ... differential diagnosis ... broader differential diagnosis ... meningococcemia, RMSF, and syphilis ... #Diagnosis #Dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... Generalized itchy rash ... Eosinophilic folliculitis ... Secondary syphilis ... #Diagnosis #Dermatology