6 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary syphilis ... nummular eczema, tinea ... #dermatology #photo
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Moccasin-variety Tinea ... Over the years: rash ... dermatophytes cause ... skin of inflamed ... type #clinical #photo
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... , hot or spicy food ... periorbital & nasolabial distribution ... #dermatology #Differential
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... • Secondary Syphilis ... Diagnosis #Algorithm #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Dermatological Conditions - Distribution ... dorsal aspect of foot-shoe ... #dermatology #rash ... #differential # ... #common #distribution
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
occur in chronic skin ... dermatitis. 4 Distribution ... Seen in systemic causes ... disease. 6 Causes ... Fungal Infections (Tinea