15 results
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Eczematous - Pruritic/Scaly ... Well-demarcated erythema ... #Eczematous #SkinRash ... Diagnosis #Algorithm #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Seborrheic dermatitis ... • Atopic dermatitis ... on sun-damaged skin ... honey-colored crusts ... ; pruritis #dermatology
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
classic trailing scale ... Most cases are idiopathic ... drugs, systemic disease ... clinical #photo #dermatology ... #skinrash
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... Algorithm Pruritic / Scaly ... drinks • Perioral Dermatitis ... #Pustular #SkinRash ... #dermatology #Differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
• A dermatosis ... centrifugum • A chronic skin ... early localized disease ... • A chronic skin ... differential #diagnosis #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... Pigmented Purpuric Dermatosis ... : Schamberg Disease ... reactions • Erythema ... Differential #Diagnosis #hematology
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
suggest vascular or hematologic ... occur in chronic skin ... , or bullous skin ... . 6 Causes and ... #erythema
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
febrile neutrophilic dermatosis ... with systemic disease ... Causes: - Idiopathic ... , breast CA - Hematologic ... Allergic contact dermatitis
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
dermatophytes cause ... Moccasin tinea pedis skin ... hyperkeratotic w/ erythema ... allergic eczematous dermatitis ... University Infectious Diseases
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
cellulitis of the scalp ... Capitis - Skin ... Disease: Discoid ... of any comorbid disease ... , erosions, or erythema