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

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... erythematosus ... Secondary to Skin Disease ... • Discoid 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 ... Evolution: Chronic disease ... #Diagnosis #Management
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... Capitis - Skin Disease ... : Discoid lupus ... erythematosus, Keratosis ... : Lupus erythematosus
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and permanent alopecia ... Differential Diagnosis ... Malignancy (e.g. hematologic ... • Nonscarring alopecia ... #Diagnosis #Rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... #Erythematosus ... #SLE #Summary #diagnosis ... #rheumatology # ... management
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus ( ... Cerebrovascular Disease ... permeability Diagnosis ... #Erythematosus ... #management #treatment
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
- Differential Diagnosis ... Secondary to Skin Disease ... • Discoid lupus ... erythematosus ... Focal #Localized #dermatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Erythematosus ( ... Photosensitivity, Alopecia ... Evolution: Chronic disease ... sle #comparison #table ... diagnosis #management
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
) • Systemic lupus ... erythematosus ... scleroderma) - Anti-Scl ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Association with disease ... with auto-immune diseases ... #erythematosus ... #diagnosis #rheumatology ... #table #ANA