7 results
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... erythematosus ... - Secondary to Skin ... • Discoid lupus ... erythematosus
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... Localized / Focal ... Capitis - Skin ... erythematosus,
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... Bullous systemic lupus ... erythematous ... Vesiculobullous #SkinRash
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... drinks • Perioral Dermatitis ... centered around hair ... #Pustular #SkinRash
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized ... ) - Differential ... - Secondary to Skin ... • Discoid lupus ... erythematosus
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
, and systemic lupus ... erythematosus ... - Contact dermatitis ... #Pathophysiology ... #Allergy #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... : erythematous nodules ... such as systemic lupus ... erythematosus, ... #classification