12 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
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Central Distribution ... meningococcaemia - Syphilis ... Macules #Papules #Rash ... #Algorithm #Diagnosis ... #Dermatology #Skin
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
differentiated based ... Patients with centrally ... Those with centrally ... meningococcemia, RMSF, and syphilis ... #Diagnosis #Dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... silvery scale on elbows ... clearing • Secondary ... Syphilis - Red
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
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
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Scaly/Erythematous lesions ... on scalp/face/central ... Secondary to venous
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
• Direct lesion ... treatment. 2) Secondary ... weight loss • Skin ... : Rash is the most ... #stages #diagnosis
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Psoriasis - Elbows ... Erythematous papules with central ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin