12 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
lasts <24hrs • Erythema ... bullae on palms soles ... #Reactive #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... : In this case, ... Photo credit, Josh ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Psoriasis #diagnosis #photo #clinical #dermatology #skinrash #physicalexam
Psoriasis #diagnosis ... #photo #clinical ... #dermatology #skinrash ... #physicalexam
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... EAC), This is erythema ... Most cases are idiopathic ... EAC #clinical #photo ... #dermatology #skinrash
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
vasculitis which causes ... frequently mistaken for cellulitis ... Images #Clinical #Photo ... #Dermatology #SkinRash
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
overlying scale • Psoriasis ... plaques on palms and soles ... Papulosquamous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
dermatophytes cause ... around soles & ... often seen DDX: psoriasis ... type #clinical #photo ... #foot #dermatology
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
present in 80% of cases ... Rash #clinical #photo ... #dermatology #Palms ... #Soles #dermatology ... #physicalexam
Psoriasiform Scalp Findings in Dermatomyositis

Scalp: DM patients can present with a psoriasiform scalp eruption characterized redness,
that can mimic psoriasis ... presenting sign in some cases ... #Scalp #sign #SkinRash ... Dermatomyositis #Dermatology ... #Clinical #Photo
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
forehead, chin - Erythema ... eczema - Palms, soles ... exposed ivy) • Psoriasis ... honey-colored crusts ... ; pruritis #dermatology