16 results
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
-6011359#5 #diagnosis ... #differential # ... symptoms #signs ... #dermatology #skin ... #skinrash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... Diagnosis Appearance ... Diagnosis #Dermatology ... #SkinRash #Clinical
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... Diagnosis Algorithm ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Bullous pemphigoid and pemphigus vulgaris

Comparison Table via Physical Examination, Nikolsky Sign and Differential Diagnoses

#Diagnosis #Dermatology #Bullous
Examination, Nikolsky Sign ... and Differential ... Diagnoses #Diagnosis ... #Dermatology #Bullous ... #Comparison #Table
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Diagnosis Algorithm ... Skin • Palmar erythema ... Campbell de Morgan spot ... • Chadwick's sign ... Pregnancy #skin #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythemas Summarized ... Erythema ab igne ... #comparison #table ... #differential # ... diagnosis #dermatology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash - Differential ... Diagnosis Algorithm ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Pediatrics Patient - Differential ... Diagnosis Malar ... migrans: • Target sign ... gabrieltalledop #dermatology ... #diagnosis #peds
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash - Differential ... Diagnosis Algorithm ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash ... #dermatology #Differential