11 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Most cases are idiopathic ... drugs, systemic disease ... , and malignancy ... EAC #clinical #photo ... #dermatology #skinrash
Hand, Foot, and Mouth Disease: A febrile illness (caused by Coxsackie Virus) associated vesicle formation on
Hand, Foot, and ... Mouth Disease: A ... febrile illness (caused ... Dermatology #Pediatrics #SkinRash ... Vesicle #UCSDH #Photo
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Differential Diagnosis Algorithm ... on palms soles and ... #Reactive #SkinRash ... #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... on the back of hands ... called "Bazin's disease ... so-called fifth disease ... #comparison #table
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... pitted keratolysis; and ... University Infectious Diseases ... type #clinical #photo
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... Erythematous papules and ... , hot or spicy food ... #Pustular #SkinRash ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... tapioca-like vesicles on hands ... Well-demarcated erythema ... #Eczematous #SkinRash ... #causes
Common Ulcers of the Ankles and Feet

Chronic Venous Insuffciency 
This condition usually appears over the medial
cyanosis of the foot ... Hansen disease. ... uncomplicated cases ... #Ankles #Feet #Foot ... Clinical #Podiatry #Comparison
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
specific to NBTE, and ... in up to 30% of cases ... common, Aortic root ... - Infectious Diseases ... #Endocarditis #comparison
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
Seen in systemic causes ... contact dermatitis, hand-foot-and-mouth ... . 6 Causes and ... o Hand-Foot-and-Mouth ... #erythema