77 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... - long axis of lesion ... palms/soles - Differential ... rosea #clinical #dermatology ... #photo #PhysicalExam
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
Janeway Lesion: ... endocarditis, in this case ... Photo credit, Josh ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... reddish-purple lesions ... #Differential # ... #dermatology #physicalexam
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... Multiforme - Target lesions ... Reactive #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Dematoses in Pregnancy - Specific Skin Conditions
Non-Pruritic
 • Pustular psoriasis of pregnancy
 • Impetigo Herpetiformis
Pruritic -
Non-Primary Skin Lesion ... - Primary Skin Lesion ... dermatoses #pregnancy #rash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Herpes Zoster Mandibularis - The lesions were scattered along the area that is innervated by the
Mandibularis - The lesions ... #Clinical #Photo ... #Dermatology #Herpes ... #Mandibularis #Rash
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
or fluid-filled lesions ... New-onset fever with rash ... #Diagnosis #Dermatology ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... / Erythematous lesions ... Pustular #SkinRash #dermatology ... #Differential #
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
Secondary Syphilis - Rash ... Typical lesions ... present in 80% of cases ... #clinical #photo ... #physicalexam
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
distribution of the rash ... febrile have a wide differential ... have a broader differential ... #Diagnosis #Dermatology ... Central #Peripheral #Differential