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

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... Irreversible-biopsy required • Lupus ... Infectious • Tinea ... • Discoid lupus ... Shafts • Tinea
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
: • Scarring Alopecia ... Folliculitis decalvans, Tinea ... Disease: Discoid lupus ... Broken Hair Shafts: Tinea ... : Lupus erythematosus
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... Photosensitivity, Alopecia ... , oral ulcers, Lupus ... #lupus #Systemic
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... Criteria - Systemic Lupus ... ACUTE CUTANEOUS LUPUS ... - NON-SCARRING ALOPECIA ... #Rheumatology #SLE
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... Subacute cutaneous lupus ... areas -> Scaring alopecia ... mechanism) -> Alopecia ... #SLE #Mucocutaneous
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Localized Hair Loss (Alopecia ... Infectious • Tinea ... • Discoid lupus ... Brocq • Alopecia ... Shafts • Tinea
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... Erythematosus (SLE ... Photosensitivity, Alopecia ... are evocative of SLE ... management of SLE
Clinical Manifestations of Systemic Lupus Erythematosus (SLE)

#Systemic #Lupus #Erythematosus #SLE #Manifestations #Signs #Symptoms #Rheumatology #Diagnosis
Manifestations of Systemic Lupus ... Erythematosus (SLE ... ) #Systemic #Lupus ... Erythematosus #SLE
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Criteria for Systemic Lupus ... : Non-scarring alopecia ... Acute cutaneous lupus ... Classification #Criteria #SLE ... #Systemic #Lupus
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
antibodies and Systemic lupus ... Farr assay) and lupus ... Highly specific for SLE ... & drug-induced lupus ... , neonatal lupus