24 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
www.medscape.com/slideshow/dermatology-mnemonics ... -6011359#5 #diagnosis ... #differential #symptoms ... #signs #dermatology ... #skin #skinrash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Algorithm Reactive ... #Reactive #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... syndrome (SSS) ... erythematous rash ... #Diagnosis #Dermatology ... #Erythematous #Rash
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Algorithm DIFFUSE ... • Loose anagen syndrome ... - Secondary to Skin ... #dermatology #Differential ... #Diagnosis #Algorithm
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... Capitis - Skin ... , Loose anagen syndrome ... Examination: • Signs ... #dermatology #Hairloss
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... Diagnosis Algorithm ... #dermatology #Differential ... #Diagnosis #Algorithm
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Algorithm Pathophysiology ... Ill-appearing, vital sign ... sulfa-drug - Skin ... #Dermatology #Rash
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... Algorithm Pruritic ... #Pustular #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Stevens-Johnson Syndrome ... Macules #Papules #Rash ... #Algorithm #Diagnosis ... #Dermatology #Skin