20 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin ... Secondary: CTD: SLE ... Vasculitis Skin ... Disease • Cogan syndrome ... #dermatology #rheumatology
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
Cutaneous manifestations ... most frequent skin ... dermatomyositis, SLE ... Calmettes #Cutaneous ... differential #diagnosis #dermatology
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... response -> Subacute cutaneous ... areas -> Scaring alopecia ... inflammation on skin ... diagnosis #signs #symptoms
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Irreversible-biopsy required • Lupus ... • Loose anagen syndrome ... - Secondary to Skin ... • Discoid lupus ... #dermatology #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... 3rd Decade Skin ... and permanent alopecia ... • Nonscarring alopecia ... : • Symptoms limited
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... IBD • RA • SLE ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... Sarcoidosis #dermatology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Capitis - Skin ... Disease: Discoid lupus ... : Lupus erythematosus ... , Loose anagen syndrome ... Differential #Diagnosis #dermatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... Rare (SSA+ for cutaneous ... constitutional symptoms ... Photosensitivity, Alopecia ... #table #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... (SLE) General: ... Sjögrens (15%) Skin ... Demyelinating syndromes ... erythematosus #signs #symptoms
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... : • Vascular occlusion ... Associated - SLE ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology