37 results
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Diagnosis Algorithm ... central clearing • Secondary ... Differential #Diagnosis #Algorithm
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... stages of this disease ... Skin rash and malaise ... #Clinical #Photo ... #Dermatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... Differential diagnosis: secondary ... rosea #clinical #dermatology ... #photo #PhysicalExam
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Diagnosis Algorithm ... Eczematous - Pruritic/Scaly ... Secondary to venous
Algorithm for Diagnosis of the Vesiculobullous Rash

Febrile, Diffuse Distribution:
 - Varicella,  Smallpox,  Disseminated, Gonococcal,
Algorithm for Diagnosis ... Vesiculobullous Rash ... Hand Foot & Mouth Disease ... #Algorithm #Diagnosis ... #Dermatology #Skin
Adult Onset Still's Disease - Yamaguchi Criteria
Major criteria:
 - Fever >= 39C lasting >= 1 weeks
weeks - Typical skin ... rash: maculopapular ... non-pruritic, salmon-pink rash ... Pharyngitis or sore ... #Major #Minor #Rheumatology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... purpura fulminans secondary ... BIDMC Infectious Diseases ... Purpura #Fulminans #Skin ... #photo
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Eruptions (Face/Scalp ... Inflammatory, pus-filled sore ... Generalized itchy rash ... Secondary syphilis ... Differential #Diagnosis #Dermatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Cholestatic liver disease ... syndrome Psychiatric Disease ... Pruritus #primary #secondary ... #generalized #dermatology
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... Differential Diagnosis Algorithm ... Pruritic / Scaly ... Pustular #SkinRash #dermatology ... Differential #Diagnosis #Algorithm