31 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Scaling, pustules, crusts ... • Atopic dermatitis ... • Seborrheic Dermatitis ... • Contact dermatitis ... Differential #Diagnosis #dermatology
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
skin) • Atopic dermatitis ... • Nummular dermatitis ... • Stasis dermatitis ... Pruritus #primary #dermatology ... Diagnosis #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
) • Nummular Dermatits ... • Seborrheic Dermatitis ... • Contact Dermatitis ... Eczematous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... • Nummular dermatitis ... • Stasis dermatitis ... #generalized #dermatology ... Diagnosis #Algorithm #causes
Contact Dermatitis: Inflammatory response to topical irritant. Note the linear distribution 
across the knuckles, caused by
Contact Dermatitis ... the knuckles, caused ... Images #Clinical #Dermatology ... SkinRash #Contact #Dermatitis
Primary Dermatologic Nail Disorders - Differential Diagnosis Algorithm
Nail Plate - Pitting
 • Psoriasis
 • Alopecia Areata
Nail
Primary Dermatologic ... Psoriasis • Alopecia ... NailDisorders #Primary #dermatology ... Diagnosis #Algorithm #causes
Secondary Disseminated Syphilis

Case from my residency that @EstradaElJefe helped me publish in JGIM. One important finding
Disseminated Syphilis Case ... is the patchy alopecia ... #Disseminated #Dermatology ... Photo #SkinRash #Alopecia
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... • Androgenetic alopecia ... facial hair) • Alopecia ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
blisters, possibly crusts ... • Contact dermatitis ... pemphigoid • Dermatitis ... Vesiculobullous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Tinea Pedis: Scaly red erruption of the feet caused by fungal dermatitis.

Charlie Goldberg, M.D. - UCSD
erruption of the feet caused ... by fungal dermatitis ... Clinical #Photo #Dermatology