8 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... lasts <24hrs • Erythema ... nodules on shins • Erythema ... #dermatology #Differential ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Well-demarcated erythema ... #SkinRash #dermatology ... #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
• A dermatosis ... nodosum • Tender ... comparison #table #differential ... #diagnosis #dermatology ... #compared
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
gangrenosum - Erythema ... Cellulitis - Erythema ... nodosum - Acral ... erythema - Bacterial ... #dermatology #oncology
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential ... Angioedema • Sweet ... Acute bursitis • Erythema ... • Erythema migrans ... #dermatology #skin
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... dermatophytes cause ... hyperkeratotic w/ erythema ... demarcation line of erythema ... #foot #dermatology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... Localized / Focal ... trichorrhexis nodosa ... , erosions, or erythema ... #Diagnosis #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
forehead, chin - Erythema ... perinasal areas - Erythema ... and plaques of erythema ... ; pruritis #dermatology ... #diagnosis #skin